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Health Qual Life Outcomes. 2010 Jan 7;8:1. doi: 10.1186/1477-7525-8-1.

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

Author information

1
Department of Applied Social Studies, City University of Hong Kong, Kowloon Tong, Hong Kong. wswong@cityu.edu.hk

Abstract

OBJECTIVE:

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.

METHODS:

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.

RESULTS:

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).

CONCLUSIONS:

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.

PMID:
20053296
PMCID:
PMC2821366
DOI:
10.1186/1477-7525-8-1
[Indexed for MEDLINE]
Free PMC Article
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