Beyond recreational physical activity: examining occupational and household activity, transportation activity, and sedentary behavior in relation to postmenopausal breast cancer risk.
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| Title: | Beyond recreational physical activity: examining occupational and household activity, transportation activity, and sedentary behavior in relation to postmenopausal breast cancer risk. |
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| Authors: | George SM (AUTHOR), Irwin ML (AUTHOR), Matthews CE (AUTHOR), Mayne ST (AUTHOR), Gail MH (AUTHOR), Moore SC (AUTHOR), Albanes D (AUTHOR), Ballard-Barbash R (AUTHOR), Hollenbeck AR (AUTHOR), Schatzkin A (AUTHOR), Leitzmann MF (AUTHOR) |
| Source: | American Journal of Public Health. Nov2010, Vol. 100 Issue 11, p2288-2295. 8p. |
| Subjects: | Cancer risk factors research, Postmenopause, Breast cancer risk factors, Physical activity, Health behavior research, Sedentary behavior -- Risk factors, National Institutes of Health (U.S.) |
| Geographic Terms: | United States |
| Abstract: | OBJECTIVES: We prospectively examined nonrecreational physical activity and sedentary behavior in relation to breast cancer risk among 97 039 postmenopausal women in the National Institutes of Health-AARP Diet and Health Study. METHODS: We identified 2866 invasive and 570 in situ breast cancer cases recorded between 1996 and 2003 and used Cox proportional hazards regression to estimate multivariate relative risks (RRs) and 95% confidence intervals (CIs). RESULTS: Routine activity during the day at work or at home that included heavy lifting or carrying versus mostly sitting was associated with reduced risk of invasive breast cancer (RR = 0.62; 95% CI = 0.42, 0.91; P(trend) = .024). CONCLUSIONS: Routine activity during the day at work or home may be related to reduced invasive breast cancer risk. Domains outside of recreation time may be attractive targets for increasing physical activity and reducing sedentary behavior among postmenopausal women. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | OBJECTIVES: We prospectively examined nonrecreational physical activity and sedentary behavior in relation to breast cancer risk among 97 039 postmenopausal women in the National Institutes of Health-AARP Diet and Health Study. METHODS: We identified 2866 invasive and 570 in situ breast cancer cases recorded between 1996 and 2003 and used Cox proportional hazards regression to estimate multivariate relative risks (RRs) and 95% confidence intervals (CIs). RESULTS: Routine activity during the day at work or at home that included heavy lifting or carrying versus mostly sitting was associated with reduced risk of invasive breast cancer (RR = 0.62; 95% CI = 0.42, 0.91; P(trend) = .024). CONCLUSIONS: Routine activity during the day at work or home may be related to reduced invasive breast cancer risk. Domains outside of recreation time may be attractive targets for increasing physical activity and reducing sedentary behavior among postmenopausal women. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 00900036 |
| DOI: | 10.2105/AJPH.2009.180828 |
