| MEASUREMENT PROPERTIES | |
| Limitations | <5 European languages (English) |
| Observations |
The original Swedish version was adapted to English by Alison Hammond, Alan Tennant, Sarah Tyson and Ulla Nordenskiöld from the Swedish EDAQ developed by Ulla Nordenskiöld. |
| 1. RELIABILITY | |
| A. Internal Consistency | Tested |
| Cronbach's (Describe) |
In all musculoskeletal conditions, internal consistency (Person Separation Index) for the Self-Care and Mobility components was consistent with group-level use (i.e., >0.7) and Cronbach’s alpha was good to excellent (i.e., >0.85, consistent with individual level use) in almost all 12 Evaluation of Daily Activity Questionnaire domains, indicating the components and individual domains could be used individually as well as collectively.
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| B. Reliability intraobserver or test-retest | Tested |
| Continuous scores: intraclass correlation coefficient (ICC) Dichotomus: Cohen kappa (Describe) |
Test–retest reliability for Part 1 was moderate to good and for Rasch transformed data for Part 2 domains were excellent (ICC(2,10.9 for most tests). Linear weighted kappa scores for individual items in Part 2 showed moderate to very good test-retest reliability across most domains for most conditions |
| C. Reliability interobserver or Measurement error | Tested |
| Standard error of measurement (SEM), smallest detectable change (SDC) or Limits of agreement (LoA) (Describe) |
Most Minimal Detectable Change scores ranged from 0.27 to 6.00, although some were higher. |
| 2. VALIDITY | |
| A. Content validity: face validity | Tested |
| Expert opinion (relevance and comprehensiveness) (Describe) |
The EDAQ has good content validity and acceptability in the seven mentioned MSK conditions. |
| B. Construct Validity: Structural validity |
Tested |
| Hypotheses-testing | Tested |
| Cross-cultural validity | Tested |
| Brief Description |
Confirmatory factor analysis of the 14 EDAQ domains indicated unidimensionality, after adjustment for local dependency in each domain. |
| C. Criterion validity | Not Tested |
| Comparison with a 'gold standard' Continuous scores: correlations, ROC curves Dichotomus: Sensitivity & Specificity (Describe) |
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