The Usefulness of the Patient‐Reported Outcomes Measurement Information System Scale v1.2 Global Health for Assessing Mental and Physical Health of Individuals With Chronic Musculoskeletal Pain, Rheumatoid Arthritis, and Hip and Knee Osteoarthritis or Undergoing Physiotherapy: Results of Factor and Item Response Theory Analyses
Authors' conclusion
PROMIS-GH can be used to measure GMH and GPH in individuals with musculoskeletal disorders.
Study context
- Population
- Individuals with musculoskeletal disorders (mean ± SD age 56 ± 14 years, 70% female)
- Participants
- 1,142 / 1,987 / 418 / 947
- Comparison
- Chronic musculoskeletal pain vs RA vs Hip/knee OA vs Physiotherapy
- Chronic musculoskeletal painn = 1,142
- RAn = 1,987
- Hip/knee OAn = 418
- Physiotherapyn = 947
- Outcome
- Usefulness of the 10-item PROMIS-GH to assess global mental health (GMH) and global physical health (GPH)
Methodological detailsconfirmatory factor analyses, item response theory analyses, graded response model, differential item functioning
- Confirmatory factor analyses
- Item response theory analyses
- Graded response model
- Differential item functioning
Performance
As reported in the abstract
Comparative fit index (global mental health (GMH)/global physical health (GPH))
0.98/0.97
Tucker-Lewis index (GMH/GPH)
0.97/0.95
Root mean square error of approximation (GMH/GPH)
0.15/0.19
Standardized root mean square residual (GMH/GPH)
0.05/0.07
Parts of this Brief are withheld: the automatic checks could not confirm them against the abstract.
Original publication
The Usefulness of the Patient‐Reported Outcomes Measurement Information System Scale v1.2 Global Health for Assessing Mental and Physical Health of Individuals With Chronic Musculoskeletal Pain, Rheumatoid Arthritis, and Hip and Knee Osteoarthritis or Undergoing Physiotherapy: Results of Factor and Item Response Theory Analyses. Arthritis Care Res (Hoboken). Published 29 January 2026. doi:10.
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