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The Interaction Between Pain Intensity and Pain Self-Efficacy in Work Functioning Impairment: A Cross-Sectional Study
Yuko Mine1, Yoshihisa Fujino, Shinya Matsuda
1Department of Preventive Medicine and Community Health, School of Medicine (Ms Mine, Dr Matsuda); Secretariat of Japanese Physical Therapy Association, Shibuyaku, Tokyo (Ms Mine); Department of Environmental Epidemiology, Institute of Industrial Ecological Sciences (Dr Fujino), University of Occupational and Environmental Health, Yahatanishiku, Kitakyushu, Japan.
Objective:
To examine the pain intensity and pain self-efficacy interaction in workers' work functioning impairment.
Methods:
A cross-sectional study using a self-reporting survey. Of 6657 Japanese construction company employees, 5129 (77.0%) valid responses were analyzed for work functioning impairment. Further analysis using current pain intensity and pain self-efficacy was performed on 1622 employees who experienced physical pain in the past 12 months.
Results:
Pain intensity showed a dose-response relationship with work functioning impairment. Further analysis showed an interaction between pain intensity and pain self-efficacy for work functioning impairment. Stratification by pain self-efficacy showed that high pain self-efficacy was not associated with an increase in work functioning impairment, even in those with severe pain (odds ratio = 1.79; 95% confidence interval = 0.69 to 4.68).
Conclusions:
Pain self-efficacy may be a key determinant for work functioning impairment in workers with pain.
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