Effects of Yoga on Measures of Health-related Quality of Life from SF-36 and SF-12 Assessments: A Systematic Review and Meta-analysis
Effects of Yoga on Measures of Health-related Quality of Life from SF-36 and SF-12 Assessments: A Systematic Review and Meta-analysis
- 사피엔시아
- Exercise Medicine
- Vol.1
- 2017.12
- 1 - 11 (11 pages)
Objectives: Yoga is commonly being adopted and prescribed with the intent to increase a participant’s health-related quality of life. In practice, the current gold-standard health-related quality of life measurement tool is the SF-36 and SF-12 assessments. Therefore, it is important for yoga scientists and practitioners to understand yoga’s effects on health-related quality of life when in fact a gold-standard assessment is implemented. The purpose of this study was to employ systematic review and meta-analytic techniques to examine the effect of yoga on measures of health-related quality of life measured using only the SF-36/12 assessments. Methods: A current (January 2007 to December 2016) systematic review of the Pubmed database was conducted and included studies that used yoga as an intervention with outcomes measures of health-related quality of life measured by the SF-36/12. Ten different measures were extracted from studies including eight dimension scores (physical functioning, bodily pain, physical role function, general health, mental health, emotional role function, social function, and vitality) and two summary scores (physical component and mental component). Ten different meta-analyses were performed using calculated standardized mean effect sizes and random effects models. Both moderator and sensitivity analyses were conducted. Results: A total of 34 studies were included is the analyses with 185 independent effect sizes. Yoga intervention showed a significant positive effect on all ten measures of the SF-36/12. Effects ranged from 0.56 (0.39-0.73) to 0.28 (0.17-0.40). Yoga type (Hatha, Iyengar, Other) moderated the effects of yoga intervention on the mental component (p=.021), with Hatha yielding the greatest effects (ES=1.63, 0.61-2.65). The sensitivity analysis showed little to no bias in mean effect size estimates. Conclusions: The meta-analytic evidence clearly supports the small-to-medium positive effects of yoga on health-related quality of life, as measured by the SF-36/12 assessments.
INTRODUCTION
METHODS
RESULTS
DISCUSSION
CONCLUSIONS
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