| MEASUREMENT PROPERTIES | |
| Limitations | >=5 European languages (English), >=5 European languages (English) |
| Observations | |
| 1. RELIABILITY | |
| A. Internal Consistency | Tested |
| Cronbach's (Describe) |
Cronbach’s alpha >0.75 |
| B. Reliability intraobserver or test-retest | Tested |
| Continuous scores: intraclass correlation coefficient (ICC) Dichotomus: Cohen kappa (Describe) |
The test-retest reliability of the questionnaire has been evaluated in populations with a variety of conditions, such as osteoarthritis and musculoskeletal pain, showing ICC>0.7 and >0.85 in case of rheumatic patients. |
| C. Reliability interobserver or Measurement error | Not Tested |
| Standard error of measurement (SEM), smallest detectable change (SDC) or Limits of agreement (LoA) (Describe) |
|
| 2. VALIDITY | |
| A. Content validity: face validity | Tested |
| Expert opinion (relevance and comprehensiveness) (Describe) |
It was found that the SF-MPQ has more content validity among patients with fibromyalgia than for those with RA. |
| B. Construct Validity: Structural validity |
Tested |
| Hypotheses-testing | Tested |
| Cross-cultural validity | Tested |
| Brief Description |
Factor analyses was used, loadings were compared to prior research. Comparisons suggest a similar pattern of factor loadings. |
| C. Criterion validity | Not Tested |
| Comparison with a 'gold standard' Continuous scores: correlations, ROC curves Dichotomus: Sensitivity & Specificity (Describe) |
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