Partial canonical correlation analysis on the association between quality of sleep and quality of life among residents in Suzhou city
10.3760/cma.j.issn.0254-6450.2012.10.010
- VernacularTitle:苏州市居民睡眠质量与生活质量的典型相关分析
- Author:
Mo ZHOU
1
;
Mei CHEN
;
Pei FENG
;
Hui LIANG
;
Wei-Jun TONG
;
Yong-Hong ZHANG
;
Tan XU
;
Guang-Liang SHAN
Author Information
1. 215123,苏州大学医学部公共卫生学院流行病与卫生统计学教研室
- Keywords:
Sleep quality;
Quality of life;
Partial canonical correlation analysis
- From:Chinese Journal of Epidemiology
2012;33(10):1040-1043
- CountryChina
- Language:Chinese
-
Abstract:
Objective To explore the association between quality of sleep and quality of life among residents of Suzhou city.Methods A total of 3225 residents at the age of 18-55 years old in Suzhou city were selected through a clustered sampling method.All the participants were comprehensively evaluated on their quality of sleep by Pittsburgh Sleep Quality Index (PSQI) and on their quality of life (QOL) by SF-36 quality of life scale.Partial canonical correlation analysis was performed.Results Negative relationships were noticed between all the dimensions of sleep quality white all the QOL domains remained significant when the confounding effect of age,gender,marital status,occupation and cultural level were adjusted.The first pair of canonical correlation variances showed statistically significant differences,with 0.7978 of canonical correlation coefficient,1.7505 of eigenvalue,and 92.43％ of proportion.Data on daytime dysfunction,sleep disturbances and subjective sleep quality were inversely associated with factors as vitality,general health perceptions and mental health,respectively,after controlling for covariates.The inverse relationship between the quality of sleep and the quality of life mainly manifested the following aspects:the association between the status of daytime dysfunction,sleep disturbances,subjective quality of sleep and vitality,general health perceptions and mental health.Conclusion Quality of sleep had influenced the quality of life,overall health and mental health.Daytime dysfunction,sleep disturbances and subjective sleep quality seemed the main factors in Suzhou city.Intervention programs related to improving the sleep need to be popularized among the residents,so as to make the quality of life better.
