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Sleep-related Mediators of the Physi...

Lanich, Boyd.

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Sleep-related Mediators of the Physical Activity and Sedentary Behavior-Cardiometabolic Biomarker Relationship in Middle Age Adults.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Sleep-related Mediators of the Physical Activity and Sedentary Behavior-Cardiometabolic Biomarker Relationship in Middle Age Adults./
作者:	Lanich, Boyd.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2017,
面頁冊數:	67 p.
附註:	Source: Masters Abstracts International, Volume: 56-04.
Contained By:	Masters Abstracts International56-04(E).
標題:	Health sciences. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10274465
ISBN:	9781369747195

Sleep-related Mediators of the Physical Activity and Sedentary Behavior-Cardiometabolic Biomarker Relationship in Middle Age Adults.
Lanich, Boyd.

Sleep-related Mediators of the Physical Activity and Sedentary Behavior-Cardiometabolic Biomarker Relationship in Middle Age Adults. - Ann Arbor : ProQuest Dissertations & Theses, 2017 - 67 p.

Source: Masters Abstracts International, Volume: 56-04.

Thesis (M.S.)--Arizona State University, 2017.

Physical activity, sedentary behaviors, and sleep are often associated with cardiometabolic biomarkers commonly found in metabolic syndrome. These relationships are well studied, and yet there are still questions on how each activity may affect cardiometabolic biomarkers. The objective of this study was to examine data from the BeWell24 studies to evaluate the relationship between objectively measured physical activity and sedentary behaviors and cardiometabolic biomarkers in middle age adults, while also determining if sleep quality and duration mediates this relationship. A group of inactive participants (N = 29, age = 52.1 +/- 8.1 years, 38% female) with increased risk for cardiometabolic disease were recruited to participate in BeWell24, a trial testing the impact of a lifestyle-based, multicomponent smartphone application targeting sleep, sedentary, and more active behaviors. During baseline, interim (4 weeks), and posttest visits (8 weeks), biomarker measurements were collected for weight (kg), waist circumference (cm), glucose (mg/dl), insulin (uU/ml), lipids (mg/dl), diastolic and systolic blood pressures (mm Hg), and C reactive protein (mg/L). Participants wore validated wrist and thigh sensors for one week intervals at each time point to measure sedentary behavior, physical activity, and sleep outcomes. Long bouts of sitting time (>30 min) significantly affected triglycerides (beta = .15 (+/-.07), p<.03); however, no significant mediation effects for sleep quality or duration were present. No other direct effects were observed between physical activity measurements and cardiometabolic biomarkers. The findings of this study suggest that reductions in long bouts of sitting time may support reductions in triglycerides, yet these effects were not mediated by sleep-related improvements.

ISBN: 9781369747195Subjects--Topical Terms:

3168359
Health sciences.

Sleep-related Mediators of the Physical Activity and Sedentary Behavior-Cardiometabolic Biomarker Relationship in Middle Age Adults.
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