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Accepted (AM)Open Access (License Unspecified), Open
Journal article
Differences between accelerometer cut point methods among midlife women with cardiovascular risk markers
Menopause (New York, N.Y.), v 27(5), pp 559-567
May 2020
PMID: 32049926
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Midlife women experience elevated risk for cardiovascular disease and often receive advice to increase physical activity to mitigate this risk. Use of accelerometers to measure ambulatory physical activity requires selection of appropriate thresholds for estimating moderate-to-vigorous physical activity (MVPA), and choice of cut points may lead to meaningfully different conclusions about midlife women's physical activity (PA) engagement. This is particularly important given the recent elimination of 10-minute bout requirements for MVPA. This two-phase study examined differences between four cut point methods among midlife women with cardiovascular disease (CVD) risk. We used findings from Study 1 (exploratory) to generate hypotheses for Study 2 (confirmatory).
Across studies, participants (N = 65) were midlife women with an additional CVD risk factor (eg, hypertension). Participants wore waistband accelerometers for seven days. Daily totals were calculated for minutes in light and MVPA using four common quantification methods (Freedson, Matthews, Swartz, and Troiano).
Multilevel models showed meaningful differences between methods (P < 0.0001). For total (non-bouted) minutes of MVPA, Freedson and Troiano methods showed that participants barely met MVPA recommendations (30 min per day), whereas Matthews and Swartz methods showed that participants greatly exceeded this goal. As differences between methods were smaller using MVPA bouts of 10 minutes or more (though remained significant), the observed variation was due in part to small bursts of MVPA dispersed throughout the day.
Findings demonstrate the need for careful consideration of PA quantification among midlife women with CVD risk, and for further investigation to determine the most appropriate quantification method. : Video Summary:http://links.lww.com/MENO/A545.
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Details
- Title
- Differences between accelerometer cut point methods among midlife women with cardiovascular risk markers
- Creators
- Danielle Arigo - Rowan UniversityJacqueline A Mogle - Pennsylvania State UniversityMegan M Brown - Rowan UniversitySavannah R Roberts - University of PittsburghKristen Pasko - Rowan UniversityMeghan L Butryn - Drexel UniversityDanielle Symons Downs - Pennsylvania State University
- Publication Details
- Menopause (New York, N.Y.), v 27(5), pp 559-567
- Publisher
- Lippincott
- Grant note
- K23 HL136657 / NHLBI NIH HHS R01 DK100345 / NIDDK NIH HHS R01 HL119245 / NHLBI NIH HHS R01 DK092374 / NIDDK NIH HHS
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Center for Weight, Eating and Lifestyle Science (WELL) [Historical]
- Web of Science ID
- WOS:000561363700011
- Scopus ID
- 2-s2.0-85084961096
- Other Identifier
- 991019169560604721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Obstetrics & Gynecology