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A study of residential radon in Sweden using multilevel analysis
Karlstads universitet, Fakulteten för ekonomi, kommunikation och IT, Avdelningen för nationalekonomi och statistik.
2008 (Engelska)Ingår i: Health Physics Journal, to appear 2008Artikel i tidskrift (Refereegranskat)
Abstract [en]

A Swedish radon data set, consisting of more than 8000 measurements of residential radon levels in about 50% of the Swedish municipalities were analysed using a multilevel approach.

The results were compared with those of a single-level analysis. We found that there was a significant variability between municipalities. The point estimates of the population mean radon levels were similar (geometric mean 60 Bq/m3 and arithmetic mean 106 Bq/m3).

The analysis shows the advantages of multilevel modeling compared with a single-level OLS model.

A single-level model results in too optimistic standard errors, about 25% of those of the multilevel

model which can lead to erroneous conclusions.

In a multilevel model including house type as a fixed effect (single-family house, row house, or apartment in multi-family house), the estimates of the fixed effect of house type were similar for the single-level and the multi-level models

Ort, förlag, år, upplaga, sidor
2008.
Nationell ämneskategori
Sannolikhetsteori och statistik
Forskningsämne
Statistik
Identifikatorer
URN: urn:nbn:se:kau:diva-16654OAI: oai:DiVA.org:kau-16654DiVA, id: diva2:590245
Tillgänglig från: 2013-01-21 Skapad: 2013-01-21 Senast uppdaterad: 2013-01-21

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Almasri, Abdullah

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