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Thai Short-form McGill Pain Questionnaire
Wasuwat Kitisomprayoonkul1, Jakkrit Klaphajone, Apichana Kovindha
1Department of Rehabilitation Medicine, Faculty of Medicine, King Chulalongkorn Memorial Hospital, Chulalongkorn University, Bangkok, Thailand.
Summary
The Thai Short-Form McGill Pain Questionnaire (Th-SFMPQ) demonstrates good internal consistency and inter-rater reliability for assessing pain. However, three pain descriptors require revision for future use.
Area of Science:
- Medical Psychology
- Pain Management
- Health Sciences
Background:
- The McGill Pain Questionnaire is a widely used tool for pain assessment.
- A validated Thai version (Th-SFMPQ) is needed to accurately measure pain in the Thai population.
- Previous translations may not capture the nuances of pain perception in Thai patients.
Purpose of the Study:
- To validate the Thai Short-Form McGill Pain Questionnaire (Th-SFMPQ).
- To assess the internal consistency and inter-rater reliability of the Th-SFMPQ.
- To evaluate the content validity of the pain descriptors in the Th-SFMPQ.
Main Methods:
- A postal survey was conducted to identify equivalent Thai pain descriptors.
- The Th-SFMPQ was developed and administered to 60 patients with musculoskeletal or neuropathic pain.
- Two interviewers assessed patients using the Th-SFMPQ to determine inter-rater reliability.
Main Results:
- The study included 44 women and 16 men, with an average age of 44.3 years; 80% had musculoskeletal pain.
- The Th-SFMPQ showed good internal consistency (Cronbach's alpha = 0.7881) and inter-rater validity for Present Pain Intensity (PPI > 0.7).
- Correlation coefficients for all scales were high (r > 0.8), but three descriptors (stabbing, gnawing, splitting) did not meet content validity criteria.
Conclusions:
- The Th-SFMPQ exhibits satisfactory internal consistency and inter-rater validity.
- The findings suggest that three specific pain descriptors in the Th-SFMPQ may need revision or replacement.
- The validated Th-SFMPQ can be a valuable tool for pain assessment in Thailand.
