Table 3.
Interrater Reliability of the OMQ Scale for the Paediatric Physical Therapists by Work Experience and Work Setting
| SD |
|||||||
| Paediatric physical therapists | ICC2,1 | 95% CI | Random measurement error | Between subjects | Among therapists | RC | LoA |
| All (n=28)* | 0.67 | 0.47, 0.88 | 5.7 | 8.0 | 3.1 | 15.7 | 31.5 |
| Work experience† | |||||||
| ≤5 y | 0.60 | 0.37, 0.86 | 5.8 | 8.1 | 2.2 | 16.1 | 32.3 |
| ≥8 y | 0.71 | 0.51, 0.90 | 5.6 | 8.1 | 3.5 | 15.4 | 30.9 |
| Work setting‡ | |||||||
| Paediatric physical therapy practice | 0.70 | 0.49, 0.90 | 5.4 | 8.0 | 2.6 | 15.1 | 30.2 |
| General hospital or medical daycare centre | 0.62 | 0.38, 0.87 | 5.6 | 8.0 | 4.0 | 15.4 | 30.8 |
| Academic hospital or rehabilitation centre | 0.63 | 0.39, 0.87 | 6.1 | 8.0 | 2.6 | 16.9 | 33.9 |
*
Based on Model A.
†
Based on Model B.
‡
Based on Model C.
OMQ=Observable Movement Quality; ICC2,1=intra-class correlation coefficient, a two-way random effects single-measures model of absolute agreement; RC=repeatability coefficient; LoA=limits of agreement.