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Effect of a 16-week Bikram yoga program on perceived stress, self-efficacy and health-related quality of life in stressed and sedentary adults: A randomised controlled trial.

Abstract：

OBJECTIVES:The purpose of this study was to investigate the effect of 16 weeks of Bikram yoga on perceived stress, self-efficacy and health related quality of life (HRQoL) in sedentary, stressed adults. DESIGN:16 week, parallel-arm, randomised controlled trial with flexible dosing. METHODS:Physically inactive, stressed adults (37.2±10.8 years) were randomised to Bikram yoga (three to five classes per week) or control (no treatment) group for 16 weeks. Outcome measures, collected via self-report, included perceived stress, general self-efficacy, and HRQoL. Outcomes were assessed at baseline, midpoint and completion. RESULTS:Individuals were randomised to the experimental (n=29) or control group (n=34). Average attendance in the experimental group was 27±18 classes. Repeated measure analyses of variance (intention-to-treat) demonstrated significantly improved perceived stress (p=0.003, partial η2=0.109), general self-efficacy (p=0.034, partial η2=0.056), and the general health (p=0.034, partial η2=0.058) and energy/fatigue (p=0.019, partial η2=0.066) domains of HRQoL in the experimental group versus the control group. Attendance was significantly associated with reductions in perceived stress, and an increase in several domains of HRQoL. CONCLUSIONS:16 weeks of Bikram yoga significantly improved perceived stress, general self-efficacy and HRQoL in sedentary, stressed adults. Future research should consider ways to optimise adherence, and should investigate effects of Bikram yoga intervention in other populations at risk for stress-related illness. TRIAL REGISTRATION:Australia New Zealand Clinical Trials Registry ACTRN12616000867493. Registered 04 July 2016. URL: http://www.anzctr.org.au/ACTRN12616000867493.aspx.

journal_name

J Sci Med Sport

journal_title

Journal of science and medicine in sport

authors

Hewett ZL,Pumpa KL,Smith CA,Fahey PP,Cheema BS

doi

10.1016/j.jsams.2017.08.006

subject

Has Abstract

pub_date

2018-04-01 00:00:00

pages

352-357

issue

eissn

1440-2440

issn

1878-1861

pii

S1440-2440(17)30994-5

journal_volume

pub_type

杂志文章,随机对照试验

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Effect of a 16-week Bikram yoga program on perceived stress, self-efficacy and health-related quality of life in stressed and sedentary adults: A randomised controlled trial.