Leisure time physical activity and multivariable hazard ratio of mortality, stratified by cohort.
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Abstract
<p>HRs (95% CIs) were calculated in models that used age as the underlying time scale. Multivariable models were adjusted for gender, alcohol consumption (0, 0.1–14.9, 15.0–29.9, 30.0+ g/d), education (did not complete high school, completed high school, post-high-school training, some college, completed college), marital status (married, divorced, widowed, unmarried), history of heart disease, history of cancer, BMI (<18.5, 18.5–19.9, 20–22.4, 22.5–24.9, 25–27.4, 27.5–29.9, 30+ kg/m<sup>2</sup>), and smoking status (never, former, current).</p>a<p>Meta-analysis estimates were calculated using DerSimonian and Laird random effects models <a href="http://www.plosmedicine.org/article/info:doi/10.1371/journal.pmed.1001335#pmed.1001335-DerSimonian1" target="_blank">[29]</a>, and statistical heterogeneity was assessed by the <i>I</i><sup>2</sup> statistic <a href="http://www.plosmedicine.org/article/info:doi/10.1371/journal.pmed.1001335#pmed.1001335-Higgins1" target="_blank">[30]</a>.</p><p>AARP, NIH-AARP Diet and Health Study; ref, reference; USRT, U.S. Radiologic Technologists cohort; WHS, Women's Health Study; WLH, Women's Lifestyle and Health study.</p