Disruptions in and continued absence of different social ties and the risk of central obesity: a prospective investigation of women and men in the CLSA (2011–2021)
Authors' conclusion
Results suggest that chronically low diversity of social activities over 3 years could be a risk factor for developing central obesity among aging women. More prospective, gender-sensitive research is needed to understand social determinants of obesity and tailor prevention strategies aiming to improve social ties of middle-aged and older adults.
Study context
- Population
- Adults (≥45 years) in the Canadian Longitudinal Study on Aging (CLSA, 2011–2021); analysis of new-onset central obesity within the subgroup free of central obesity at baselinemultiple imputation addressed missingness · subgroup free of central obesity at baseline 15,160
- Participants
- 26,859 adults
- Exposure
- Gains and losses in, or the continued absence of, social ties (marital status, living arrangement, social isolation and social participation) between wave 1 and 2, and new-onset central obesity at Wave 3
- Outcome
- Prevalence of new-onset obesity
- Follow-up
- Wave 3
Methodological details3 waves of Canadian Longitudinal Study on Aging data, multiple imputation, covariable-adjusted logistic regression
- 3 waves of Canadian Longitudinal Study on Aging data
- Multiple imputation
- Covariable-adjusted logistic regression
Main finding
As reported in the abstract
Women becoming isolated
54%
Women remaining non-partnered
50%
Men becoming not isolated
55%
Men becoming isolated
49%
Observational data: associations, not effects.
Further findings
Developing central obesity, women reporting continued absence of diverse social participation (<5 monthly activities) · Wave 3
- OR
- 1.20 [CI95: 1.04, 1.39]
- OR in sensitivity analyses
- 1.22 [CI95: 1.05, 1.41]
- Multivariable-adjusted models of participants without obesity at baseline
- Only significant association
Central obesity with losses or continued absence of other social ties, both genders
- OR
- 1.24-1.46
Central obesity onset with specific gains
- Becoming not isolated, women
- 1.24 [0.83, 1.86]
- Becoming co-living, men
- 1.49 [0.89, 2.48]
Original publication
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