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dc.contributor.authorJacobsen, Bjarne K.
dc.contributor.authorAars, Nils Abel
dc.date.accessioned2017-01-10T09:37:15Z
dc.date.available2017-01-10T09:37:15Z
dc.date.issued2016-09-21
dc.description.abstract<b>Background:</b> Abdominal obesity increases all-cause mortality and is a risk factor for a number of diseases. There are few population-based studies of the longitudinal changes of abdominal obesity.<br> <b>Methods:</b> Based on data from the Tromsø Study, we studied gender- and age-specific mean waist circumference and prevalence of abdominal overweight and abdominal obesity in two surveys in 1994–1995 (Tromsø 4, 6812 men and women aged 25 to 84) and 2007–2008 (Tromsø 6, 12,493 men and women aged 30 to 87). Furthermore, we describe the longitudinal changes of waist circumference and abdominal obesity during 13 years in 3144 subjects (aged 25–69 in 1994) who attended both surveys.<br> <b>Results:</b> Cross-sectional analyses found a higher mean waist circumference in men than women and a direct relationship with age in both men and women in both Tromsø 4 and in Tromsø 6. As the WHO cut-off points for abdominal obesity are gender-specific, however, the prevalence of abdominal obesity was lower in men than in women. In 2007–2008, approximately 37 and 55 % of men and women, respectively, were classified as abdominally obese. Thirteen years before, in 1994–1995, the corresponding figures were 20 and 35 %. Longitudinal analyses of changes during the 13-year period clearly demonstrated that mean waist circumference increased in all examined birth cohorts in both men (mean change 6.1 cm) and women (mean change 8.4 cm), but increased more markedly the younger the subjects were. The prevalence of abdominal obesity in men aged 25–34 increased from 5 % in 1994 to 31 % 13 years later. The prevalence of abdominal obesity more than doubled among both men and women.<br> <b>Conclusions:</b> The increasing mean waist circumference is of concern. There is a need for further longitudinal studies of the changes in waist circumferenceen_US
dc.identifier.citationBMC Obesity 2016, 3(41)en_US
dc.identifier.cristinIDFRIDAID 1402244
dc.identifier.doi10.1186/s40608-016-0121-5
dc.identifier.issn2052-9538
dc.identifier.urihttps://hdl.handle.net/10037/10128
dc.language.isoengen_US
dc.publisherBioMed Centralen_US
dc.rights.accessRightsopenAccessen_US
dc.subjectWaist circumferenceen_US
dc.subjectObesityen_US
dc.subjectAbdominalen_US
dc.subjectVDP::Medisinske Fag: 700::Helsefag: 800::Epidemiologi medisinsk og odontologisk statistikk: 803en_US
dc.subjectVDP::Medisinske Fag: 700::Helsefag: 800::Samfunnsmedisin, sosialmedisin: 801en_US
dc.subjectVDP::Medical disciplines: 700::Health sciences: 800::Community medicine, Social medicine: 801en_US
dc.titleChanges in waist circumference and the prevalence of abdominal obesity during 1994-2008 - cross-sectional and longitudinal results from two surveys: the Tromsø Studyen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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