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Revista de Saúde Pública

Print version ISSN 0034-8910On-line version ISSN 1518-8787

Abstract

SURKAN, Pamela J et al. Impact of stressful life events on central adiposity in the Pelotas Birth Cohort. Rev. Saúde Pública [online]. 2018, vol.52, 61.  Epub May 17, 2018. ISSN 1518-8787.  https://doi.org/10.11606/s1518-8787.2018052000161.

OBJECTIVE:

To investigate how stressful life events and social support relate to central adiposity in Southern Brazil.

METHODS:

Data included information from 802 participants in the 1982 Pelotas Birth Cohort that was collect in 2004-2005 and 2006. Stratifying by sex, we studied self-reported stressful life events during the year before 2004-2005 in relation to change in waist circumference between 2004-2005 and 2006 and waist-to-hip ratio in 2006, using both bivariate and multivariate linear regression models.

RESULTS:

In adjusted models, the experience of stressful life events during the year before 2004-2005 predicted a change in waist circumference in 2006 in men and a change in both waist-to-hip ratio in 2006 and waist circumference between 2004-2005 and 2006 in women. Men who experienced two or more stressful events had on average a one centimeter increase in their waist circumference between 2004-2005 and 2006 (β = 0.97, 95%CI 0.02-1.92), compared to those reporting no stressful events. For women, those who had one and those who had two or more stressful life events had over a 1 cm increase in their waist circumference from 2004-2005 to 2006 (β = 1.37, 95%CI 0.17-2.54; β = 1.26, 95%CI 0.11-2.40, respectively), compared to those who did not experience any stressful event. For both sexes, social support level was not significantly related to either waist-to-hip ratio or change in waist circumference, and it did not modify the association between stress and central adiposity.

CONCLUSIONS:

The experience of more than one stressful life event was associated with distinct indicators of central adiposity for men versus women.

Keywords : Stress, Psychological; Life Change Events; Waist-Hip Ratio, utilization; Weight Gain; Gender and Health.

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