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  • 1. Andrich, D
    et al.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Taking account of differential item functioning through principles of equating2001Report (Refereed)
  • 2. Andrich, David
    et al.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Real and artificial differential item functioning2012In: Journal of educational and behavioral statistics, ISSN 1076-9986, E-ISSN 1935-1054, Vol. 37, no 3, p. 387-416Article in journal (Refereed)
  • 3.
    Andrich, David
    et al.
    The University of Western Australia, Perth, Australia.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health.
    Real and Artificial Differential Item Functioning in Polytomous Items2015In: Educational and Psychological Measurement, ISSN 0013-1644, E-ISSN 1552-3888, Vol. 75, no 2, p. 185-207Article in journal (Refereed)
    Abstract [en]

    Differential item functioning (DIF) for an item between two groups is present if, for the same person location on a variable, persons from different groups have different expected values for their responses. Applying only to dichotomously scored items in the popular Mantel–Haenszel (MH) method for detecting DIF in which persons are classified by their total scores on an instrument, Andrich and Hagquist articulated the concept of artificial DIF and showed that as an artifact of the MH method, real DIF in one item favoring one group inevitably induces artificial DIF favoring the other group in all other items. Using the dichotomous Rasch model in which the total score for a person is a sufficient statistic, and therefore justifies classifying persons by their total scores, Andrich and Hagquist showed that to distinguish between real and artificial DIF in an item identified by the MH method, a sequential procedure for resolving items is implied. Using the polytomous Rasch model, this article generalizes the concept of artificial DIF to polytomous items, in which multiple item parameters play a role. The article shows that the same principle of resolving items sequentially as with dichotomous items applies also to distinguishing between real and artificial DIF with polytomous items. A real example and a small simulated example that parallels the real example are used illustratively.

  • 4.
    Augustsson, Hanna
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Kartläggning av studier om nordiska ungdomars psykiska hälsa2011Report (Other academic)
  • 5.
    Beckman, Linda
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Hur mår barn och ungdomar i Sverige?: Analys av den officiella bilden, mediebilden och bilden från forskningen2010Report (Other (popular science, discussion, etc.))
    Abstract [en]

    During the past two decades, ”Alarming reports” on young people’s mental health have frequently been published in newspapers.  . These questions have gained great attention in the public debate, both in media and on the political agenda. In the 2008 Public Health government bill, it is pointed out that children and adolescents is one of the most important target groups and that mental health is one of the most prioritized areas within public health politics.

     

    This report takes its beginning from an apparently general opinion, saying that children’s and young people’s mental health tends to deteriorate. In this report, the mediated picture of children’s and young people’s mental health over time is presented. Three operators in society are analyzed from their standpoints of children’s and adolescent’s mental health with respect to trends, socio demographic and regional differences, and also which sources are used in their argumentations. The three operators are the Government, authorities working with these questions, daily press and scientific research.

     

    The material for the media analysis is a systematic review of articles in newspapers during the period 1988-2008 via two electronic databases. The official standpoint has been described using government documents. The material from the research area consists of peer- reviewed published articles, epidemiological studies, and so called ”grey literature”.

     

    The result shows that the standpoint of the three different operators is remarkably consistent, but far from identical. The sources used are frequently quoted and tend to circulate among the operators. The result also shows that the groups experiencing the worst health are girls and young women. However, neither ethnicity nor regional differences are described. Also, the epidemiological data is very insufficient. As a whole, Swedish adolescent seem however experiencing a vital mental health, but stress and mental ill- health has become more frequent, especially among girls and young women. It is crucial to reflect over terms and expressions used in measurements which are being compared over a 20- year perspective. To which extent are they reflecting the same values and terms as two decades ago?

     

    Neither the media nor the official actors can be accused of fabricating constructions, since their reports are more or less based on published research reports. Inversely, the official standpoint and the picture from media can also be assumed to be mirroring the things not being published.

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  • 6.
    Beckman, Linda
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health.
    Views of Bullying and Antibullying Working Styles Among School Nurses and School Social Workers in Sweden2016In: Journal of School Violence, ISSN 1538-8220, E-ISSN 1538-8239, Vol. 15, no 4, p. 438-459Article in journal (Refereed)
  • 7.
    Beckman, Linda
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences.
    Hellström, Lisa
    Karlstad University, Faculty of Social and Life Sciences.
    Discrepant gender patterns for cyberbullying and traditional bullying - An analysis of Swedish adolescent data (vol 29, pg 1896, 2013)2014In: Computers in human behavior, ISSN 0747-5632, E-ISSN 1873-7692, Vol. 34, p. 353-353Article in journal (Refereed)
  • 8.
    Beckman, Linda
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Hellström, Lisa
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Discrepant gender patterns for cyberbullying and traditional bullying: An analysis of Swedish adolescent data2013In: Computers in human behavior, ISSN 0747-5632, E-ISSN 1873-7692, Vol. 29, no 5, p. 1896-1903Article in journal (Refereed)
    Abstract [en]

    In the wake of the rapid development of modern IT technology, cyberspace bullying has emerged among adolescents. The aim of the present study was to examine gender differences among adolescents involved in traditional bullying and cyberbullying. Cross-sectional data from 2989 Swedish students aged 13–15 were analyzed using logistic regression analysis. The results show discrepant gender patterns of involvement in traditional bullying and cyberbullying. First, although there were only minimal gender differences among traditional victims, girls are more likely than boys to be cybervictims when occasional cyberbullying is used as a cut-off point. Second, whereas boys are more likely to be traditional bullies, girls are as likely as boys to be cyberbullies. In conclusion, compared to traditional bullying, girls are generally more involved in cyberbullying relative to boys. We discuss these results in the light of adolescents’ usage of computerized devices.

  • 9.
    Beckman, Linda
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Hellström, Lisa
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Does the association with psychosomatic health problems differ between cyberbullying and traditional bullying?2012In: Emotional and Behavioural Difficulties, ISSN 1363-2752, E-ISSN 1741-2692, Vol. 17, no 3-4, p. 421-434Article in journal (Refereed)
    Abstract [en]

    The association between mental health problems and traditional bullying is well known,whereas the strength of the association in cyberbullying is less known. This study aimedto compare the association between mutually exclusive groups of bullying involvementand psychosomatic problems as measured by the PsychoSomatic Problems scale. Thesample comprised 3820 students (13–16 years old) in Sweden. The results indicate anassociation between bullying and psychosomatic problems, regardless of type of bullyinginvolvement. No statistically significant differences in psychosomatic problemswere found between cyberbullying and traditional bullying, either for victims or forbullies. The results do not confirm the hypothesis that the association between bullyingand mental health is stronger for cyberbullying than for traditional bullying. Anotherimportant finding is that cyberbullies seem as likely as cybervictims to be at risk formental health problems.

  • 10.
    Beckman, Linda
    et al.
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Stenbeck, Magnus
    Karolinska institutet.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013). Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Disability in Relation to Different Peer-Victimization Groups and Psychosomatic Problems2016In: Children & Schools, ISSN 1532-8759, E-ISSN 1545-682X, Vol. 38, no 3, p. 153-161Article in journal (Refereed)
    Abstract [en]

    The purpose of this study was to examine the associations between disability, victims, perpetrators, and so-called "bully-victims" (someone reporting being both a victim and a perpetrator) of traditional, cyber, or combined victimization or perpetration and psychosomatic health among adolescents. Authors analyzed cross-sectional data from 3,820 Swedish students (ages 13 through 15) using linear and multinomial regression. The results show that students with a disability were more likely to be bully-victims and, more particularly, involved in both traditional and cyber victimization. Authors did not find any differences between adolescents with a disability and others with respect to the association between peer victimization and psychosomatic health. When developing intervention programs, schools may take a comprehensive approach due to the relatively large overlap between traditional and cyber victimization. Targeting groups with known disadvantages may also help reach out to bully-victims.

  • 11.
    Bergh, Daniel
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Adolescent perceptions of the Psychosocial School Climate, Activities with parents, and Psychosomatic HealthManuscript (preprint) (Other academic)
  • 12.
    Bergh, Daniel
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Starrin, Bengt
    Karlstad University, Faculty of Social and Life Sciences, Department of Social Studies.
    Parental monitoring, peer activities and alcohol use: A study based on data on Swedish adolescents2011In: Drugs: education prevention and policy, ISSN 0968-7637, E-ISSN 1465-3370, ISSN 0968-7637 (print), 1465-3370 (electronic), Vol. 18, no 2, p. 100-107Article in journal (Refereed)
    Abstract [en]

    Aim: This study investigates the association between two types of social relations during leisure time (to parents and peers) and the frequency of alcohol use among Swedish adolescents, taking possible interaction effects into account.

    Methods: The data were collected during the 1995–2005 time period by using a questionnaire handed out in the class room. The study includes about 10,000 Swedish adolescents aged 15–16 years.

    Results: The results show that there are strong associations between the social relations adolescents have during leisure time (both to parents and peers) and the frequency of alcohol use. High levels of peer activity were associated with higher frequencies of alcohol use. Although the effects of relations with parents were modified by peer activity frequencies, high levels of parental monitoring were significantly associated with lower frequencies of alcohol use, regardless of the peer activity frequencies.

    Conclusions: Parental monitoring is an efficient way to prevent or reduce adolescents’ alcohol use, although its importance may vary due to peer activity frequency.

     

  • 13.
    Bergh, Daniel
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Starrin, Bengt
    Karlstad University, Faculty of Social and Life Sciences, Department of Social Studies.
    Social relations in school and psychosomatic health among Swedish adolescents: the role of academic orientation2011In: European Journal of Public Health, ISSN 1101-1262, E-ISSN 1464-360X, Vol. 21, no 6, p. 699-704Article in journal (Refereed)
    Abstract [en]

    Background: The purpose of this study was to analyse the connection between two types of social relations in school (to peers and to teachers) and psychosomatic health complaints among adolescents in school Year 9 in the Swedish compulsory school. In particular,              the focus is on the importance of students’ academic orientation as a possible modifier of the association between social relations and psychosomatic health complaints.

    Methods: The data were collected during the 1995–2005 time period from approximately 10 000 Swedish adolescents in the age of 15–16 years by using a questionnaire that was handed out in the class room.

    Results: There are strong associations between adolescents’ social relations in school (both to peers and to teachers) and psychosomatic health complaints. Worse relationships are connected to worse psychosomatic health. The health effects of teacher contacts                     were significantly modified by academic orientation; they were stronger for theoretically (i.e. those with better health) than for non-theoretically oriented students.

    Conclusion: Interpreted from a social class perspective, the results may reflect that the theoretically oriented students to a higher degree strive to conform to the culture present in school making this group of students more sensitive for teacher relations                     manifested as recognitions, rewards or penalties. In order to promote social equity in health, efforts to improve social relations in school should not solely focus on the teacher–student relationships but also on the relationships between peers.

  • 14.
    Bergh, Daniel
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Starrin, Bengt
    Karlstad University, Faculty of Social and Life Sciences, Department of Social Studies.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Solidarity in the neighbourhood, social support at work and psychosomatic health problems2009In: Journal of Public Health, ISSN 2198-1833, E-ISSN 1613-2238, Vol. 17, no 4, p. 265-271Article in journal (Refereed)
    Abstract [en]

    The aim of this study was to analyse the link between psychosocial factors in the neighbourhood and work environments, and psychosomatic health problems.

    Methods   The data were collected in the survey “Life and Health ”, which was conducted in 2000 in six Swedish county councils. A total of 71,580 questionnaires were distributed to randomly selected individuals aged 18 –79. A total of 46,636 respondents completed the questionnaire. This gives a response rate of around 65%. For the purpose of this study only gainfully employed individuals aged 18 – 64 are included, which gives a total of 22,164 individuals: 11,247 (50.7%) women and 10,917 (49.3%) men. Two scales were used to measure the psychosocial environments in the neighbourhood and at work. The link between these scales and psychosomatic health problems was analysed by using multinomial logistic regression.

    Results  The results show that both “Psychosocial Neighbourhood Environment” (PNE) and “Psychosocial Working Environment” (PWE), independently, are related to psychosomatic health problems. Hence, the health effects of social relations in the neighbourhood were not modified by the quality of social relations at work, or vice versa. The levels of psychosomatic health problems are highest for people experiencing a low degree of social solidarity in the neighbourhood and for those experiencing low degrees of supportive work relationships.

     

  • 15.
    Danielsson, Nanette
    et al.
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Norell-Clarke, Annika
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013). Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Associations between adolescent sleep disturbance and different worry themes: findings from a repeated cross-sectional study from 1988 to 20112016In: Sleep Health, ISSN 2352-7218, E-ISSN 2352-7226, Vol. 2, no 3, p. 194-197Article in journal (Refereed)
    Abstract [en]

    Objective

    The objective was to investigate relationships between adolescent sleep disturbance and various worry themes.

    Methods

    Questionnaire data from 8 cross-sectional collections between 1988 and 2011 were used. The sample included more than 20,000 adolescents aged 15-16. Binary logistic regressions were used for the analyses.

    Results

    Sleep disturbance and female sex increased the odds of worrying about all themes. Sleep disturbance shared stronger associations with worry about financial security, accidents/illness, being bullied, and terrorist attacks (odds ratios, 2.65-3.35) compared with worry about environmental destruction or nuclear war (odds ratios, 1.73-2.11). No interactions between sleep and year of investigation were found.

    Conclusions

    Little is known about the association between adolescent worry and sleep, and about sleep disturbance and specific worry content. This study shows that the strength in the relationship between adolescent worry and sleep varies with worry themes. Knowledge of the worry content related to sleep may aid in targeting preventions and interventions.

  • 16. Erhart, M
    et al.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Auquier, P
    Rajmil, L
    Power, M
    Ravens-Sieber, U
    A comparison of Rasch item-fit and Cronbach's alpha item reduction analysis for the development of a Quality of Life Scale for children and adolescents2010In: Child Care Health and Development, ISSN 0305-1862, E-ISSN 1365-2214, Vol. 36, no 4, p. 473-484Article in journal (Refereed)
  • 17.
    Evans, Brittany
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Beijers, Roseriet
    Radboud University, the Netherlands.
    Hagquist, Curt
    Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    de Weerth, Carolina
    Radboud University, the Netherlands.
    Childhood urbanicity and hair steroid hormone levels in ten-year-old children2019In: Psychoneuroendocrinology, ISSN 0306-4530, E-ISSN 1873-3360, Vol. 102, p. 53-57Article in journal (Refereed)
    Abstract [en]

    Background: Research suggests that it may be more stressful for children to grow up in an urban area than in a rural area. Urbanicity may affect physiological stress system functioning as well as the timing of sexual maturation. The purpose of the current study was to investigate whether moderate urbanicity (current and childhood, ranging from rural areas to small cities) was associated with indices of long-term hypothalamic-pituitary-adrenal and hypothalamic-pituitary-gonadal axis functioning (cortisol, cortisone, dehydroepiandrosterone and progesterone levels) and whether sex moderated any associations. Method: Children (N = 92) were all 10 years old and from the Dutch general population. Hair samples were collected and single segments (the three cm most proximal to the scalp) were assayed for concentrations of steroid hormones (LCMS/MS method). Neighborhood-level urbanicity and socioeconomic status were measured from birth through age ten years. Analyses were controlled for neighborhood- and family socioeconomic status, body mass index and season of sampling. Results: The results from multivariate analyses of variance showed no associations between current or childhood moderate urbanicity and hair steroid hormone concentrations. Interaction terms between moderate urbanicity and sex were not statistically significant. Conclusions: Associations between urbanicity and steroid hormone levels may only be detectable in highly urban areas and/or during later stages of adolescence. Alternatively, our findings may have been due to most children being from families with a higher socioeconomic status. 

  • 18.
    Evans, Brittany
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Kim, Yunhwan
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    A latent class analysis of changes in adolescent substance use between 1988 and 2011 in Sweden: associations with sex and psychosomatic problems2020In: Addiction, ISSN 0965-2140, E-ISSN 1360-0443, Vol. 115, no 10, p. 1932-1941Article in journal (Refereed)
    Abstract [en]

    Aims To characterize changes in patterns of adolescent substance use in Sweden between 1988 and 2011, and to assess whether sex and psychosomatic problems were associated with substance use and whether these associations changed over time. Design Secondary analysis of repeated cross-sectional survey data. Survey data were collected eight times and analyzed as four cohorts (1988-91, 1995-98, 2002-05 and 2008-11). Setting and participants The sample included all 15-16-year-olds in Varmland County, Sweden (n = 20 057). Measurements Binary-coded substance use measures included life-time use of alcohol and tobacco, getting drunk and past school year use of inhalants. An eight-item scale was used to assess psychosomatic problems. Findings A three-class model fitted the data best (i.e. non/low use, mainly alcohol use and polysubstance use). The patterns of substance use were different among cohorts; most notably, adolescents in the last cohort had lower odds of being included in the alcohol and polysubstance use classes rather than the non/low use class than in the earlier cohorts (all Ps < 0.001). Males had higher odds than females of being in the polysubstance use class rather than the non/low use class among the first three cohorts (all Ps < 0.001) but not the last. Sex was not associated with inclusion in the alcohol use class rather than the non/low use class. Adolescents who reported more psychosomatic problems had higher odds of being included in the alcohol and polysubstance use classes rather than the non/low use class (all Ps < 0.001). The associations of sex and psychosomatic problems with class inclusion did not change during the study period. Conclusions Between 1988 and 2011, patterns of substance use among adolescents in Sweden shifted away from polysubstance use and alcohol use to non-use or low use. Associations between patterns of substance use and sex and psychosomatic problems remained largely consistent across the study period.

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  • 19.
    Evans, Brittany
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Kim, Yunhwan
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Changes in patterns of adolescent substance use from 1988 to 2011 in Sweden: a latent class analysis2019In: European Journal of Public Health, ISSN 1101-1262, E-ISSN 1464-360X, Vol. 29, p. 47-47Article in journal (Other academic)
  • 20.
    Evans, Brittany
    et al.
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Kim, Yunhwan
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Classroom disorder and internalizing problems among swedish adolescents: Changes between 1988 and 20112020In: Journal of School Health, ISSN 0022-4391, E-ISSN 1746-1561, Vol. 90, no 7, p. 554-563Article in journal (Refereed)
    Abstract [en]

    BACKGROUND Internalizing problems have increased among Swedish adolescents. We examined whether classroom disorder was associated with internalizing problems and whether it explained the trends in internalizing problems. Furthermore, we examined whether school contextual factors were associated with internalizing problems and whether they moderated the association between classroom disorder and internalizing problems. METHODS We used repeated cross-sectional survey data (1988-2011) among all 15- to 16-year-old students in Varmland, Sweden (N = 9491 boys, N = 9313 girls). School-level factors were the proportions of students with a low/average socioeconomic or an immigration background. RESULTS Results from mixed effects models showed that classroom disorder was associated with internalizing problems across the years of investigation but did not explain the trends in internalizing problems. This association was moderated by the school-level proportion of students with a low/average socioeconomic background but not the school-level proportion of students with an immigration background. CONCLUSIONS Students who perceived their classroom to be disorderly more often also reported more internalizing problems. Future studies are necessary to investigate other potential school factors that may explain the trends in internalizing problems.

  • 21.
    Friberg, Peter
    et al.
    Department of Clinical Psychology, Sahlgrenska University Hospital, Göteborgs University.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Osika, W
    Self-perceived psychosomatic health in Swedish children, adolescents and young adults: an internet-based survey over time2012In: BMJ Open, E-ISSN 2044-6055, Vol. 2, no 4Article in journal (Refereed)
    Abstract [en]

    Objectives The authors investigated self-perceived psychosomatic health in young people (10–24 years of age) in Sweden and analysed different samples during the years 2005 and 2007–2010 via a community website.

    Design Repeated cross-sectional surveys: (1) single question on a single day in 2005. (2) One specific question delivered on each of eight separate days in 2005. (3) The same eight questions delivered to smaller groups on the same day in 2007 and then again to randomly selected subjects in 2010.

    Setting Validated questionnaires launched on the internet by a recognised Swedish community site. Study participants were invited to answer questions about their health with full anonymity as they logged into their personal area.

    Participants 10–24-year-old children, adolescents and young adults.

    Primary and secondary outcome measures Self-reported psychosomatic health in terms of sex and age over time.

    Results A large number of responses were obtained (up to 140 000). The response rate for the single item on stress was 41%. A high percentage of young subjects responded that they felt stressed very often/often; the numbers were higher for women (47%) than for men (29%). Older teenaged women had more psychosomatic complaints than did men of similar ages; in contrast, among 10–12-year-old children, the percentage of psychosomatic complaints was similar for men and women. When comparing results obtained in 2010 with those obtained in 2007, young people of both sexes had a slightly better self-perceived health status in 2007.

    Conclusions During the period 2005–2010 a high percentage of young people, particularly females, 16–18 years of age, had psychosomatic complaints and considered themselves as being often or very often stressed. These complaints were more pronounced in the older age groups. When directing questions to a large community, internet-based surveys appear to be valuable tools.

                     

  • 22.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Adolescent mental health and preliminary results from the Nordic Youth Study2010Conference paper (Refereed)
  • 23.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Adolescent mental health: Gender differences in consequences for everyday life2017Conference paper (Other academic)
  • 24.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Adolescents and the Swedish Crisis. Social conditions and health since the late 1980s.1998Conference paper (Other academic)
  • 25.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Adolescents' perceived symptoms: a Rasch-analysis of the HBSC instrument2001Report (Refereed)
  • 26.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Alcohol consumption and life satisfaction among adolescents: The moderating role of gender2018Conference paper (Other academic)
  • 27.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Alkohol-, narkotika och tobaksvanor bland niondeklassare: Resultat från Ung i Värmland 1988-20082009Report (Other academic)
    Abstract [sv]

    I föreliggande rapport redovisas data om alkohol- narkotika- och tobaksvanor bland niondeklassare i Värmland. Redovisningen baseras på material insamlat i forskningsprojektet Ung i Värmland.  Datainsamlingar har genomförts 1988, 1991, 1995, 1998, 2002, 2005 och 2008.

    Resultaten från 2008 års undersökning visar :

    • att cirka 30 procent av niondeklassarna druckit starköl, vin eller sprit minst en gång i månaden under läsåret.
    • att 45 procent av pojkarna och 57 procent av flickorna någon gång varit berusade.
    • att cirka en tredjedel av niondeklassarna druckit alkohol i någon form minst en gång i månaden under läsåret.
    • att var fjärde pojke och 30 procent av flickorna minst en gång i månaden druckit alkohol motsvarande en halv halvflaska sprit eller en helflaska vin eller fyra burkar starköl eller sex burkar öl klass II ("folköl") eller fyra stora flaskor stark cider/alkoläsk vid ett och samma tillfälle.
    • att sju procent av pojkarna och fem procent av flickorna i årskurs nio någon gång använt narkotika.
    • att sju procent av pojkarna och 12 procent av flickorna röker dagligen/nästan dagligen.
    • att 11 procent av pojkarna och två procent av flickorna snusar minst en dosa per vecka.

    Med avseende på förändringar över tid visar resultaten att andelen icke konsumeter av starköl, vin och sprit är högre och andelen regelbundna alkoholkonsumenter år 2008 är lägre bland pojkar, men inte bland flickor, än när undersökningen startade 1988. Andelen icke konsumenter är år 2008 lägre och andelen regelbundna alkoholkonsumenter högre bland flickor än bland pojkar, till skillnad från 1988 då förhållandena var de motsatta.

  • 28.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences.
    Alkohol-, narkotika- och tobaksvanor bland niondeklassare: Resultat från Ung i Värmland 1988-20112012Report (Other academic)
  • 29.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Alkohol och narkotika - vanor och attityder: En undersökning bland gymnasieungdomar i Karlstad2000Report (Other academic)
  • 30.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Alkohol- och narkotikavanor 1999, 2003 och 2007: resultat från undersökningar bland gymnasieungdomar i Karlstad och Hammarö2008Report (Other academic)
  • 31.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Alkohol-och narkotikavanor bland niondeklassare: Resultat från Ung i Värmland 1988-19981999Report (Other academic)
  • 32.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Analysing self-reported health data- a comparison between measures based on rawscores and person estimates2004Conference paper (Refereed)
  • 33.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013). Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences (from 2013).
    Analysis of Differential Item Functioning in Social Science Research using the Rasch Model2016Conference paper (Refereed)
  • 34.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Analysis of Differential Item Functioning: When is item split justified?2017Conference paper (Other academic)
  • 35.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health (from 2013).
    Applications of Rasch Measurement Theory in Health Research2018Conference paper (Other academic)
  • 36.
    Hagquist, Curt
    Sektionen för samhällsmedicin, Värmlands Läns Landsting.
    Arbete och motion1986Report (Other academic)
  • 37.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Arbetslöshet, ekonomisk utsatthet och självmord bland ungdomar1999In: I vuxenlivets: väntrumArbetslöshetens konsekvenser för ungdomars livsvillkor / [ed] Martin Börjesson & Anders Cullberg, Umeå: Borea Bokförlag , 1999Chapter in book (Other academic)
  • 38.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Arbetslöshet, självmord och självmordsförsök -: kunskapsläge och förslag till studier om unga människor1995Report (Refereed)
  • 39.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Artificial Differential Item Functioning  - from observation to explanation2009Conference paper (Refereed)
  • 40.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health.
    Assessment of competence, resilience, empathy, comprehensive concepts like self esteem etc2002Conference paper (Other (popular science, discussion, etc.))
  • 41.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences.
    Associations between family type and binge drinking among adolescents in Sweden2014Conference paper (Other academic)
  • 42.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health.
    Associations of Family Residency and Child-Parent Relations with Alcohol Consumption among Adolescents in Sweden2016Conference paper (Refereed)
  • 43.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Categorisation of items on self-reported health - an illustrative example2002Conference paper (Refereed)
  • 44.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences.
    Categorisation of polytomous items - implications of collapsing response categories2007Conference paper (Refereed)
  • 45.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health.
    Centrum för folkhälsoforskning2013In: Vårt liv: En krönika om Landstinget i Värmland 1863–2013 / [ed] Ajaxson, Anders., & Svanqvist, Staffan., Karlstad: Landstinget i Värmland , 2013, 1, p. 467-470Chapter in book (Refereed)
  • 46.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health.
    Challenges in cross country comparisons of adolescent mental health – Illustrative examples based on Rasch-analysis of HBSC-data.2015Conference paper (Refereed)
  • 47.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health. Karlstad University, Faculty of Social and Life Sciences, Centre for Research on Child and Adolescent Mental Health. Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences.
    Consequences for Everyday Life of Mental Health Problems Among Adolescents2017Conference paper (Other academic)
  • 48.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Detecting and Resolving Differential Item Functioning2007Conference paper (Refereed)
  • 49.
    Hagquist, Curt
    Karlstad University, Faculty of Social and Life Sciences, Department of Health and Environmental Sciences.
    Detection of Differential Item Functioning Using Analysis of Variance2004Conference paper (Refereed)
  • 50.
    Hagquist, Curt
    Karlstad University, Faculty of Arts and Social Sciences (starting 2013), Centre for Research on Child and Adolescent Mental Health. Karlstad University, Faculty of Health, Science and Technology (starting 2013), Department of Health Sciences.
    Determinants of Artificial DIF: a study based on simulated polytomous data2014Conference paper (Refereed)
123456 1 - 50 of 256
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