Abstract
Background
Patient satisfaction research in chronic pain treatment is scarce internationally and is nonexistent in Chinese communities like Hong Kong. This longitudinal study examined the relationships between medical adherence, pain treatment satisfaction, disability, and quality of life (QoL) in a sample of Chinese patients with chronic pain.
Methods
A total of 178 patients with chronic pain were assessed at baseline, 3 and 6 months following baseline. Medical adherence and pain treatment satisfaction were assessed by the Participant Compliance Reporting Scale and the Pain Treatment Satisfaction Scale (PTSS), respectively. QoL, depression, pain catastrophizing, and pain-related fear were assessed using SF-12, the depression subscale of the Hospital Anxiety and Depression Scale (HADS-D), the Pain Catastrophizing Scale, and the Tampa Scale for Kinesiophobia, respectively. Linear mixed effects models (LME) were fitted to identify predictors of pain treatment satisfaction, medical adherence, and QoL.
Results
Results of univariate LME analyses showed significant quadratic time effects on four PTSS scores and significant associations between disability grade and PTSS scores (all p < 0.05). Medical adherence was not significantly associated with satisfaction regarding pain medication (model 1). Satisfaction with medication characteristics emerged as an independent predictor of medical adherence (model 2: std β = −0.11, p < 0.05) after controlling for sociodemographic and pain variables. Neither medical adherence nor pain treatment satisfaction predicted QoL outcomes (models 3 and 4).
Conclusions
Distinct trajectories in pain treatment satisfaction were displayed in the current sample of Chinese patients with different disability grading chronic pain. Within pain treatment, only medication characteristics significantly impacted patients’ medical adherence.
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Acknowledgments
This project was supported by Health & Health Services Research Fund, HKSAR (Project #: 10112131), awarded to the first author (WS Wong). The authors would like to acknowledge support from the Pain Unit of two public hospitals in Hong Kong: the Alice Ho Mui Ling Nethersole Hospital and the Queen Elizabeth Hospital. We also thank all patients for their participation in the project.
Conflict of interest
This study conformed to the Helsinki Declaration concerning human rights and informed consent, and it also followed correct procedures concerning treatment of humans and animals in research.
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Wong, W.S., Chow, Y.F., Chen, P.P. et al. A longitudinal analysis on pain treatment satisfaction among Chinese patients with chronic pain: predictors and association with medical adherence, disability, and quality of life. Qual Life Res 24, 2087–2097 (2015). https://doi.org/10.1007/s11136-015-0955-1
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DOI: https://doi.org/10.1007/s11136-015-0955-1