Key result
Being physically active in mid-life was associated with greater odds of being active at 20-year follow-up compared with inactive men (OR 2.7; 95% CI 2.4 to 3.2).
Why the study?
Does physical activity in mid-life increase the odds of being active in old age in men?
Cohort (n=3,413)
Yes
Does physical activity in mid-life increase the odds of being active in old age in men?
Odds Ratio: 2.7 (95% CI 2.4–3.2)
Being physically active in mid-life, particularly through sports participation, significantly increases the odds of remaining physically active in old age.
May help identify men likely to sustain activity into old age; leaves open causality and whether interventions alter long-term patterns.
OBJECTIVES: This study aims to examine the tracking and predictability of physical activity in old age from overall physical activity and participation in sport, recreational activity and walking in mid-life. DESIGN: Prospective population-based cohort study. SETTING: British Regional Heart Study participants recruited from primary care centres in the UK in 1978-1980. PARTICIPANTS AND OUTCOME MEASURES: Men (n=3413) self-reported their physical activity at baseline, 12, 16 and 20-year follow-ups and were categorised as inactive or active and having high or low participation in sport, walking and recreational activities. Tracking was assessed using kappa statistics and random effects models. Logistic regression estimated the odds of being active at 20-year follow-up according to physical activity participation in mid-life. RESULTS: Among 3413 men (mean age at baseline 48.6±5.4 years) with complete data, tracking of overall physical activity was moderate (kappa: 0.23-0.26). Tracking was higher for sports participation (kappa: 0.35-0.38) compared with recreational activity (kappa: 0.16-0.24) and walking (kappa: 0.11-0.15). Intraclass correlation coefficients demonstrated similar levels of stability and only marginally weakened after controlling for covariates. Compared with inactive men, being active at baseline was associated with greater odds of being active at 20-year follow-up (OR 2.7, 95% CI 2.4 to 3.2) after adjusting for sociodemographic, health and lifestyle variables. Playing sport in mid-life was more strongly associated with being active at 20-year follow-up than other domains, particularly when sport participation began earlier in life. CONCLUSION: Being physically active in mid-life increases the odds of being active in old age. Promoting physical activity in later life might be best achieved by promoting sport participation earlier in the life course.
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Aggio et al. (2017) reported a cohort. Physical activity in mid-life vs. Inactive men was evaluated on Being active at 20-year follow-up (OR 2.7, 95% CI 2.4 to 3.2). Being physically active in mid-life was associated with greater odds of being active at 20-year follow-up compared with inactive men (OR 2.7; 95% CI 2.4 to 3.2).
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