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dc.contributor.authorPetrenya, Natalia
dc.contributor.authorLamberg-Allardt, Christel
dc.contributor.authorMelhus, Marita
dc.contributor.authorBroderstad, Ann Ragnhild
dc.contributor.authorBrustad, Magritt
dc.date.accessioned2020-02-25T15:19:29Z
dc.date.available2020-02-25T15:19:29Z
dc.date.issued2019-02-15
dc.description.abstract<i>Objective</i> - To investigate serum 25-hydroxyvitamin D (S-25(OH)D) concentration in a multi-ethnic population of northern Norway and determine predictors of S-25(OH)D, including Sami ethnicity.<p> <p><i>Design</i> - Cross-sectional data from the second survey of the Population-based Study on Health and Living Conditions in Regions with Sami and Norwegian Populations (the SAMINOR 2 Clinical Survey, 2012–2014). S-25(OH)D was measured by the IDS-iSYS 25-Hydroxy Vitamin Dˢ assay. Daily dietary intake was assessed using an FFQ. BMI was calculated using weight and height measurements.<p> <p><i>Setting</i> - Ten municipalities of northern Norway (latitude 68°–70°N).<p> <p><i>Participants</i> - Males (<i>n</i> 2041) and females (<i>n</i> 2424) aged 40–69 years.<p> <p><i>Results</i> - Mean S-25(OH)D in the study sample was 64·0 nmol/l and median vitamin D intake was 10·3 µg/d. The prevalence of S-25(OH)D<30 nmol/l was 1·9 % and <50 nmol/l was 24·7 %. In sex-specific multivariable linear regression models, older age, blood sample collection in September–October, solarium use, sunbathing holiday, higher alcohol intake (in females), use of cod-liver oil/fish oil supplements, use of vitamin/mineral supplements and higher intakes of vitamin D were significantly associated with higher S-25(OH)D, whereas being a current smoker and obesity were associated with lower S-25(OH)D. These factors explained 21–23 % of the variation in S-25(OH)D.<p> <p><i>Conclusions</i> - There were many modifiable risk factors related to S-25(OH)D, however no clear ethnic differences were found. Even in winter, the low prevalence of vitamin D deficiency found among participants with non-Sami, multi-ethnic Sami and Sami self-perceived ethnicity was likely due to adequate vitamin D intake.en_US
dc.identifier.citationPetrenya NN, Lamberg-Allardt C, Melhus M, Broderstad ARB, Brustad M. Vitamin D status in a multi-ethnic population of northern Norway: The SAMINOR 2 Clinical Survey. Public Health Nutrition. 2019
dc.identifier.cristinIDFRIDAID 1723324
dc.identifier.doi10.1017/S1368980018003816
dc.identifier.issn1368-9800
dc.identifier.issn1475-2727
dc.identifier.urihttps://hdl.handle.net/10037/17507
dc.language.isoengen_US
dc.publisherCambridge University Press (CUP)en_US
dc.relation.journalPublic Health Nutrition
dc.rights.holderCopyright 2019 The Author(s)en_US
dc.subjectVDP::Medical disciplines: 700::Health sciences: 800::Community medicine, Social medicine: 801en_US
dc.subjectVDP::Medisinske Fag: 700::Helsefag: 800::Samfunnsmedisin, sosialmedisin: 801en_US
dc.titleVitamin D status in a multi-ethnic population of northern Norway: The SAMINOR 2 Clinical Surveyen_US
dc.type.versionpublishedVersionen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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