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Indian J Psychiatry. 2013 Jul;55(Suppl 3):S364-8. doi: 10.4103/0019-5545.116310.

Effects of yoga intervention on sleep and quality-of-life in elderly: A randomized controlled trial.

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1
Department of Psychiatry, Advanced Centre for Yoga, National Institute of Mental Health and Neurosciences, Bangalore, Karnataka, India.

Abstract

CONTEXT:

Yoga as a life-style practice has demonstrated beneficial effects. The role of yoga in the elderly for such benefits merits investigation.

AIMS:

The aim of this study is to examine the effects of yoga intervention on quality-of-life (QOL) and sleep quality in the elderly living in old age homes.

SETTINGS AND DESIGN:

Single blind controlled study with block randomization of elderly homes.

MATERIALS AND METHODS:

A total of 120 subjects from nine elderly homes were randomized in to yoga group (n=62) and waitlist group (n=58). Subjects in the yoga group were given yoga intervention daily for 1 month and weekly until 3 months and were encouraged to practice yoga without supervision until for 6 months. Subjects in waitlist group received no intervention during this period. Subjects were evaluated with World Health Organization Quality of Life (WHOQOL)-BREF for measuring QOL and Pittsburgh Sleep Quality Index for sleep quality in the baseline and after 6 months.

STATISTICAL ANALYSIS:

Independent t-test and repeated measures analysis of covariance respectively was used to measure the difference in outcome measures between the two groups at baseline and after the study period.

RESULTS:

Subjects in the yoga group had significantly higher number of years of formal education. Subjects in the yoga group had significant improvement in all the domains of QOL and total sleep quality after controlling for the effect of baseline difference in education between the two groups.

CONCLUSION:

Yoga intervention appears to improve the QOL and sleep quality of elderly living in old age homes. There is a need for further studies overcoming the limitations in this study to confirm the benefits of yoga for elderly in QOL and sleep quality.

KEYWORDS:

Elderly; quality of life; sleep; yoga

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