The Objective Physical Activity and Cardiovascular Disease Health in Older Women (OPACH) Study
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La Croix, Andrea Z, et al. The Objective Physical Activity and Cardiovascular Disease Health In Older Women (opach) Study. BioMed Central, 2017. https://doi.org/10.17615/e6w4-g954APA
La Croix, A., Rillamas Sun, E., Buchner, D., Evenson, K., Di, C., Lee, I., Marshall, S., La Monte, M., Hunt, J., Tinker, L., Stefanick, M., Lewis, C., Bellettiere, J., & Herring, A. (2017). The Objective Physical Activity and Cardiovascular Disease Health in Older Women (OPACH) Study. BioMed Central. https://doi.org/10.17615/e6w4-g954Chicago
La Croix, Andrea Z, Eileen Rillamas Sun, David Buchner, Kelly Evenson, Chongzhi Di, I Min Lee, Stephen Marshall et al. 2017. The Objective Physical Activity and Cardiovascular Disease Health In Older Women (opach) Study. BioMed Central. https://doi.org/10.17615/e6w4-g954- Creator
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LaCroix, Andrea Z
- Other Affiliation: Division of Epidemiology, Department of Family Medicine and Public Health, University of California San Diego, La Jolla, USA
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Rillamas-Sun, Eileen
- Other Affiliation: Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, USA
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Buchner, David
- Other Affiliation: University of Illinois at Urbana-Champaign, Champaign, USA
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Evenson, Kelly
- Affiliation: Gillings School of Global Public Health, Department of Epidemiology
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Di, Chongzhi
- Other Affiliation: Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, USA
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Lee, I-Min
- Other Affiliation: Division of Preventive Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, USA
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Marshall, Stephen
- Affiliation: Gillings School of Global Public Health, Department of Epidemiology
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LaMonte, Michael J
- Other Affiliation: Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo - SUNY, Buffalo, USA
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Hunt, Julie
- Other Affiliation: Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, USA
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Tinker, Lesley F
- Other Affiliation: Division of Public Health Sciences, Fred Hutchinson Cancer Research Center, Seattle, USA
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Stefanick, Marcia
- Other Affiliation: Stanford Prevention Research Center, Stanford University School of Medicine, Stanford University, Stanford, USA
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Lewis, Cora E
- Other Affiliation: Department of Medicine, Division of Preventive Medicine, University of Alabama Birmingham, Birmingham, USA
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Bellettiere, John
- Other Affiliation: Division of Epidemiology, Department of Family Medicine and Public Health, University of California San Diego, La Jolla, USA
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Herring, Amy
- Affiliation: Gillings School of Global Public Health, Department of Epidemiology
- Abstract
- Abstract Background Limited evidence exists to inform physical activity (PA) and sedentary behavior guidelines for older people, especially women. Rigorous evidence on the amounts, intensities, and movement patterns associated with better health in later life is needed. Methods/Design The Objective PA and Cardiovascular Health (OPACH) Study is an ancillary study to the Women’s Health Initiative (WHI) Program that examines associations of accelerometer-assessed PA and sedentary behavior with cardiovascular and fall events. Between 2012 and 2014, 7048 women aged 63–99 were provided with an ActiGraph GT3X+ (Pensacola, Florida) triaxial accelerometer, a sleep log, and an OPACH PA Questionnaire; 6489 have accelerometer data. Most women were in their 70s (40%) or 80s (46%), while approximately 10% were in their 60s and 4% were age 90 years or older. Non-Hispanic Black or Hispanic/Latina women comprise half of the cohort. Follow-up includes 1-year of falls surveillance with monthly calendars and telephone interviews of fallers, and annual follow-up for outcomes with adjudication of incident cardiovascular disease (CVD) events through 2020. Over 63,600 months of calendar pages were returned by 5,776 women, who reported 5,980 falls. Telephone interviews were completed for 1,492 women to ascertain the circumstances, injuries and medical care associated with falling. The dataset contains extensive information on phenotypes related to healthy aging, including inflammatory and CVD biomarkers, breast and colon cancer, hip and other fractures, diabetes, and physical disability. Discussion This paper describes the study design, methods, and baseline data for a diverse cohort of postmenopausal women who wore accelerometers under free-living conditions as part of the OPACH Study. By using accelerometers to collect more precise and complete data on PA and sedentary behavior in a large cohort of older women, this study will contribute crucial new evidence about how much, how vigorous, and what patterns of PA are necessary to maintain optimal cardiovascular health and to avoid falls in later life. Clinical trials registration ClinicalTrials.gov identifier NCT00000611 . Registered 27 October 1999.
- Date of publication
- February 14, 2017
- DOI
- Identifier
- Resource type
- Article
- Rights statement
- In Copyright
- Rights holder
- The Author(s).
- Language
- English
- Bibliographic citation
- BMC Public Health. 2017 Feb 14;17(1):192
- Publisher
- BioMed Central
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