Associations between perceived stress, quality of life and complementary health practices in Japanese outpatients: a multicenter observational study

Abstract

In Japan and other countries, complementary health practices based on lifestyle modification such as exercise, diet, art and culture, gardening, and biofield therapy, have received increasing attention. This study was conducted to demonstrate associations between perceived stress, quality of life (QOL), and these complementary health practices. Computer-assisted data collection was conducted with Japanese outpatients in 10 clinics. Participants completed questionnaires that measured socioeconomic status (SES) and frequencies of complementary health practices. Psychological stress was measured using the 10-Item Japanese version of the Perceived Stress Scale. QOL was measured using the 10-Item Mokichi Okada Association Quality of Life Questionnaire. Data were analyzed using linear regression modeling. Baseline data of 1480 participants were available for cross-sectional analysis and data of 318 participants were available at follow-up for longitudinal analysis. Gender differences were not observed in stress and QOL, but age was positively correlated with QOL, and negatively with stress. A multiple regression model adjusted for age, gender, and SES indicated weak associations between each health practice and QOL in the cross-sectional (β=0.14-0.28) and the longitudinal analysis (β=0.17-0.27). Moreover, negative associations between each health practice and stress varied from -0.08 to -0.18, with the exception of biofield therapy in the cross-sectional analysis. In the longitudinal analysis, associations varied from -0.13 to -0.27, but diet and biofield therapy were not significantly associated with stress. These results suggest that complementary health practices had a significant effect on maintaining, or improving QOL, as well as in reducing stress of Japanese outpatients

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“…They have described experiencing changes in perception and assigning new meanings toward their illness, ultimately leading to satisfaction, and improved quality of life [26,27]. These are some of the effects derived from the aspects attributed to the medical model of integrative medicine offered in Ryo-in [28].…”