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- W4300743438 abstract "<h3>Objective.</h3> —To evaluate the association between physical activity and all-cause mortality in postmenopausal women. <h3>Design.</h3> —Prospective cohort study with 7 years of follow-up through December 31, 1992. <h3>Setting and Participants.</h3> —Subjects were 40 417 postmenopausal Iowa women, aged 55 to 69 years at baseline in 1986. Physical activity was assessed by mailed questionnaire. <h3>Main Outcome Measure.</h3> —All-cause mortality (n=2260). <h3>Results.</h3> —After adjustment for potential confounders and excluding women who reported having cancer or heart disease and those who died in the first 3 years of follow-up, women who reported regular physical activity were at significantly reduced risk of death during follow-up compared with women who did not (relative risk [RR], 0.77; 95% confidence interval [CI], 0.66-0.90). Increasing frequency of moderate physical activity was associated with reduced risk of death during follow-up (from rarely or never engaging in activity to activity at least 4 times per week, RRs, 1.0 [referent], 0.76, 0.70, and 0.62;<i>P</i>value for trend<.001). A similar pattern was seen for vigorous physical activity (corresponding RRs, 1.0, 0.89, 0.74, and 0.57;<i>P</i>value for trend=.06). Reduced risks of death with increased physical activity were evident for cardiovascular diseases (n=729) and respiratory illnesses (n=147). Women who engaged only in moderate but not vigorous physical activity also benefited, with moderate activity as infrequently as once per week demonstrating a reduced mortality risk of 0.78 (95% CI, 0.64-0.96). <h3>Conclusions.</h3> —These results demonstrate a graded, inverse association between physical activity and all-cause mortality in postmenopausal women. These findings strengthen the confidence that population recommendations to engage in regular physical activity are applicable to postmenopausal women." @default.
- W4300743438 created "2022-10-04" @default.
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- W4300743438 date "1997-04-23" @default.
- W4300743438 modified "2023-10-17" @default.
- W4300743438 title "Physical Activity and Mortality in Postmenopausal Women" @default.
- W4300743438 doi "https://doi.org/10.1001/jama.1997.03540400037028" @default.
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