Table 2.
Descriptive and psychometric statistics for the DCGM-37 in Swedish children on cancer treatment, pooled data, n = 170
| Dimensions | n | Mean (SD) | Missing items, range (%) |
Ranges of item mean (SD) | Floor/Ceiling effect (%) |
Reliability (α) | Item-to-own dimension correlation (range) | Item-to-other dimension correlation (range) | Scaling success (%) a |
|---|---|---|---|---|---|---|---|---|---|
| Independence | 170 | 60.4 (19.5) | 0-4 (0) | 3.03-3.89 (0,96-1,18) | 0.6/0 | 0.81 | 0.43-0.68 | 0.15-0.60 | 93 |
| Physical Limitation | 169 | 53.1 (19.6) | 0-2 (0.6) | 3.25-3.94 (1,02-1,34) | 0/0 | 0.76 | 0.32-0.66 | 0.19-0.58 | 87 |
| Emotion | 165 | 58.5 (19.9) | 3-5 (2.9) | 2.88-3.53 (0,97-1,22) | 0/1.2 | 0.84 | 0.54-0.70 | 0.25-0.65 | 100 |
| Social exclusion | 161 | 68.5 (17.7) | 1-13 (5.3) | 3.31-4.51 (0,68-1,22) | 0/2.9 | 0.76 | 0.35-0.63 | 0.09-0.60 | 90 |
| Social inclusion | 168 | 61.9 (17.3) | 0-6 (1.2) | 3.02-4.35 (0,83-1,16) | 0/0.6 | 0.71 | 0.28-0.66 | -0.01-0.65 | 73 |
| Treatment | 164 | 64.0 (25.8) | 4-8 (3.5) | 3,35-4.02 (1,14-1,60) | 2.4/10.0 | 0.87 | 0.54-0.77 | 0.14-0.47 | 100 |
a Number of item-to-other dimension correlations that are stronger than the corrected item-total correlation within a dimension/Total number of discriminant validity tests (i.e., number of items × number of dimensions minus 1), expressed as a percentage.