Total muscle-strengthening and conditioning activities and risk of type 2 diabetes stratified by body mass index (2).

Data are relative risks (95% CI). Adjusted for age (months), smoking (never, past, or current), alcohol consumption (0, 1–5, >5 g/d), coffee intake (0, 5 cups/day), race (white, non-white), family history of diabetes, post menopausal hormone use (never, past, current), intake of total energy, trans fat, polyunsaturated fat to saturated fat ratio, cereal fiber, wholegrain, and glycemic load (all dietary factors in quintiles), oral contraceptive use (only NHSII: never, past, current), menopausal status (only NHSII: pre, post), and aerobic physical activity (none, 1–29, 30–59, 60–150, >150 min/week).PY, person years.