Trajectories of obesity by spousal diabetes status in the English Longitudinal Study of Ageing.
Diabetic medicine : a journal of the British Diabetic Association
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Silverman-Retana, O., Hulman, A., Simmons, R. K., Nielsen, J., & Witte, D. (2019). Trajectories of obesity by spousal diabetes status in the English Longitudinal Study of Ageing.. Diabetic medicine : a journal of the British Diabetic Association, 36 (1), 105-109. https://doi.org/10.1111/dme.13811
Aims We examined whether the development of obesity with age was different for individuals with and without a spouse with diabetes. Methods We analyzed data from the English Longitudinal Study of Ageing (n= 7,123 individuals, median age 59 years [interquartile range: 53-67 years], 51% men), including four clinical examination waves between 1998 and 2012. Our main exposure was a spouse with diabetes; outcomes of interest were body mass index (BMI) and waist circumference. We fitted quadratic age-related trajectories using mixed-effect models stratified by sex and adjusted for education, smoking and the corresponding interaction terms between age and spousal diabetes status. Results Baseline spousal diabetes prevalence was 4.4%. Men with a wife with diabetes experienced a steeper increase in BMI (1.6 kg/m2) between ages 50 to 65 years than men with a wife without diabetes (0.9 kg/m2). Women with a husband with diabetes had a similarly shaped BMI trajectory to women with a husband without diabetes but their average BMI levels were higher between ages 55 to 65 years. Waist circumference trajectories showed a similar shape by spousal diabetes status for men and women, although individuals with a spouse with diabetes had higher levels throughout follow-up. Conclusions In conclusion, we found a positive association between spousal diabetes status and obesity development, which differs by sex among middle-age individuals. Evidence from coupled based interventions are needed to test whether these strategies can improve the current individual-focused public health strategies for obesity prevention.
OSR, AH, DRW are funded by Danish Diabetes Academy. The Danish Diabetes Academy is funded by the Novo Nordisk Foundation. JN is funded by Independent Research Fund Denmark (DFF – 5053-00263). RKS is supported by the Health Foundation’s grant to the University of Cambridge for The Healthcare Improvement Studies Institute.
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External DOI: https://doi.org/10.1111/dme.13811
This record's URL: https://www.repository.cam.ac.uk/handle/1810/285045