Body mass index trajectories preceding first report of poor self-rated health: A longitudinal case-control analysis of the English Longitudinal Study of Ageing

PloS One
A HulmanChristina C Dahm

Abstract

Studies have consistently found that obesity is associated with poor self-rated health, but how body mass index (BMI) developed in the lead up to poor self-rated health is unknown. We nested a longitudinal case-control study in the English Longitudinal Study of Ageing (1998-2015) to investigate BMI trajectories in the years preceding a first self-report of poor health. Participants rated their health at each data collection; every other collection included a BMI assessment by a nurse. Case status was defined as a first report of poor health during follow-up. Three age- and sex-matched controls were identified per case using density sampling. BMI trajectories were fitted to time backwards prior to first report of poor health using mixed-effects models. Age and sex were potential modifiers. We conducted subgroup analyses of those not reporting certain chronic diseases or smoking. We identified 732 cases and 2195 controls. Age, but not sex, modified the association between BMI and self-rated health. Participants reporting poor health at age 60 had a 1.5 kg/m2 (95%CI: 0.8 to 2.1) higher BMI at the time of reporting than controls, and their BMI had previously increased markedly (1.3 kg/m2 95%CI: 0.9 to 1.8 over ten years). After age...Continue Reading

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Citations

Jun 6, 2019·Journal of Preventive Medicine and Public Health = Yebang Ŭihakhoe Chi·Chang Kyun ChoiMin-Ho Shin
Oct 1, 2020·Epidemiologia E Serviços De Saúde : Revista Do Sistema Unico De Saúde Do Brasil·Tânia Aparecida de AraujoYeda Aparecida de Oliveira Duarte
Aug 17, 2020·Metabolic Syndrome and Related Disorders·Philip B AdebayoAli A Zehri

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