Relationships between physical activity across lifetime and health outcomes in older adults: results from the NuAge study
Boisvert-Vigneault, Katherine; Payette, Hélène; Audet, Melisa; Bélanger, Mathieu; Dionne, Isabelle
Abstract: Objectives: This study aims to (1) describe participation in four physical activity (PA) domains across life and (2) examine the influence of PA during adolescence, early, mid-life, and later adulthood on health variables at older age. Design: Retrospective, observational, population-based cohort. Setting: Longitudinal study Nutrition as a Determinant of Successful Aging study ParticipantS: 1 378 healthy older adults (667 men; 711 women; aged 67-84 yrs at baseline) Measurements: Using a modified version of the interviewer-administered Lifetime Total Physical Activity Questionnaire (LTPAQ) and life events calendar to facilitate the recall, participants reported the frequency, duration, and intensity of occupational (OPA), commuting (CPA), household (HPA), and leisure time (LTPA) they participated in at the ages of 15, 25, 45, and 65 years and at the first follow-up (aged 68-85 yrs at follow-up). Fat mass, lean body mass, body mass index, waist to hip ratio, fasting glucose, systolic and diastolic blood pressures, self-reported chronic diseases, and socio-demographic were assessed at baseline. Results: Changes in PA differed across sex and PA domain. However, there was a general decline in all PA domains among both sexes after the age of 65. In multiple regression analyses, current LTPA was systematically associated with more favorable waist to hip ratio and fat mass in both sexes, whereas CPA, OPA, and HPA across life were not consistently associated with health variables. Conclusion: PA domains during adolescence, early adulthood, and mid-life were not directly related to health variables at older age, while current LTPA was, suggesting it is never too late to start.
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