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Longitudinal associations between depressive symptoms and body mass index in a 20-year follow-up
Longitudinal studies have rarely investigated changes in depressive symptoms and indicators of obesity simultaneously, although it is often proposed that the positive relationship between depression and obesity is bidirectional. The present study examined the reciprocal nature of the relationship be...
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Published in: | International Journal of Obesity 2014-05, Vol.38 (5), p.668-674 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Longitudinal studies have rarely investigated changes in depressive symptoms and indicators of obesity simultaneously, although it is often proposed that the positive relationship between depression and obesity is bidirectional. The present study examined the reciprocal nature of the relationship between depressive symptoms and body mass index (BMI) in a 20-year follow-up survey.
Participants of a Finnish cohort study in 1989 at 22 years (N=1656) were followed up at ages 32 (N=1262) and 42 (N=1155) with postal questionnaires. BMI was calculated on the basis of self-reported weight and height, and depressive symptoms were assessed using the short form of the Beck Depression Inventory. Latent growth models (LGM) and cross-lagged autoregressive models were used to determine prospective associations between depressive symptoms and BMI.
LGM analyses indicated that men with higher initial levels of depressive symptoms experienced a faster rate of increase in BMI (β=0.20, P |
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ISSN: | 0307-0565 1476-5497 |
DOI: | 10.1038/ijo.2013.151 |