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Evaluate the association between physical activity and all-cause mortality in postmenopausal women.

April 23, 1997JAMA

Physical Activity and Mortality in Postmenopausal Women

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Evaluate the association between physical activity and all-cause mortality in postmenopausal women.
Prospective cohort study design.
Follow-up duration of 7 years.
Physical activity assessed via mailed questionnaire among 40,417 postmenopausal women aged 55-69.
Regular physical activity reduced mortality risk (RR 0.77; 95% CI 0.66-0.90).
Increased frequency of moderate physical activity linked to reduced risk (RRs 0.76, 0.70, 0.62 for activity at least 4 times/week).
Moderate activity just once per week demonstrated reduced mortality risk of 0.78 (95% CI 0.64-0.96).

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Prospective cohort study shows physical activity reduces mortality risk in postmenopausal women, indicating health benefits.

Lawrence H. Kushi (1997) studied this question.

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