The differential mediating effects of pain and depression on the physical and mental dimension of quality of life in Hong Kong Chinese adults

The impact of pain and depression on health-related quality of life (QoL) is widely investigated, yet the pain-depression interactions on QoL remain unclear. This study aims to examine the pain-depression-QoL mediation link. Pain severity were assessed in a sample of Chinese professional teachers (n...

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Bibliographic Details
Published in:Health and quality of life outcomes 2010-01, Vol.8 (1), p.1-1
Main Authors: Wong, Wing S, Chan, Simon T M, Fung, Vivian B K, Fielding, Richard
Format: Article
Language:English
Subjects:
Adult
Analysis
Cancer
Care and treatment
Depression - classification
Depression - etiology
Depression, Mental
Diagnosis
Disability
Female
Health aspects
Health Status Indicators
Hong Kong
Humans
Male
Mediation
Mental Health
Middle Aged
Older people
Pain
Pain - classification
Pain - psychology
Pain Measurement
Quality of Life
Severity of Illness Index
Short Report
Social aspects
Statistical analysis
Studies
Surveys and Questionnaires
Teaching
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Summary:The impact of pain and depression on health-related quality of life (QoL) is widely investigated, yet the pain-depression interactions on QoL remain unclear. This study aims to examine the pain-depression-QoL mediation link. Pain severity were assessed in a sample of Chinese professional teachers (n = 385). The subjects were also assessed on depressive symptoms and QoL. Regression models were fitted to evaluate the pain-depression-QoL relationships. About 44% of the sample had 3-5 painful areas in the past 3 months. Shoulder pain (60%) and headache (53%) were common painful areas. The results of regression analyses showed that pain mediated the effects of depression on the mental aspect of QoL (standardized beta = -0.111; Sobel test: z = -3.124, p < 0.005) whereas depression mediated the effects of pain on the physical aspect of QoL (standardized beta = -0.026; Sobel test: z = -4.045, p < 0.001). Our study offered tentative evidence that pain and depression impacted differently on the mental and physical aspect of QoL. As these findings were based on a Chinese teacher sample, future studies should employ more representative samples across cultures to verify the present data.
ISSN:1477-7525
1477-7525
DOI:10.1186/1477-7525-8-1