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Table 1 Characteristics of the study population

From: Effect of leisure time physical activity on severe knee or hip osteoarthritis leading to total joint replacement: a population-based prospective cohort study

Characteristic Men (n = 11246) Women (n = 17203) All (n = 28449)
Age at baseline, years (mean (SD), range) 59 (7.0), 45–74 57 (7.9), 44–74 58 (7.6), 44–74
BMI, kg/m2, at baseline (mean (SD), range) 26.3 (3.5), 13.9–50.7 25.4 (4.2), 14.0–50.9 25.8 (4.0), 13.9–50.9
Time from baseline to final follow-up, years (mean (SD)) 11 (2.9) 11 (2.4) 11 (2.6)
  1. BMI, body mass index.