Table 8 Discriminant validity of WHOQOL-DIS for people with intellectual disabilities
Factor/domain | Age (years) | Disability (WHODAS-II) | ||||||
|---|---|---|---|---|---|---|---|---|
18-40 (n = 130) | 41-57 (n = 26) | df = 154 | 12-18 (n = 82) | 19-51 (n = 74) | df = 154 | |||
Mean (SD) | Mean (SD) | t | d | Mean (SD) | Mean (SD) | t | d | |
Physical(a) | 52,66 (9,13) | 55,36 (7,37) | −1,41* | 0,113 | 56,49 (7,36) | 49,37 (8,99) | 5,37** | 0,397 |
Psychological(a) | 49,13 (8,39) | 50,64 (8,31) | −0,84 | 0,068 | 51,83 (6,81) | 46,68 (9,12) | 3,96** | 0,304 |
Social(a) | 40,19 (11,71) | 38,46 (9,74) | 0,71 | 0,057 | 44 (9,1) | 35,36 (12,01) | 5,02** | 0,375 |
Environment(a) | 38,15 (9,32) | 40,14 (10,33) | −0,98 | 0,079 | 41,73 (7) | 34,88 (10,58) | 4,71** | 0,355 |
Overall(a) | 80,96 (23,77) | 78,37 (23,06) | 0,51 | 0,041 | 86,89 (17,88) | 73,48 (27,05) | 3,61** | 0,279 |
Factor 1(b) | 76,86 (14,97) | 75,32 (15,36) | 0,48 | 0,039 | 79,88 (14,87) | 72,97 (14,39) | 2,94* | 0,231 |
Factor 2(b) | 31,99 (15,38) | 31,41 (13,4) | 0,18 | 0,015 | 34,65 (14,01) | 28,83 (15,62) | 2,46* | 0,194 |
Factor 3(b) | 39,62 (10,3) | 39,74 (10,82) | −0,06 | 0,005 | 42,99 (7,72) | 35,92 (11,62) | 4,42** | 0,336 |
Overall(b) | 15 (9,42) | 16,59 (8,09) | −0,8 | 0,064 | 17,45 (8,02) | 12,84 (9,86) | 3,19** | 0,249 |
DISQOL Module | 47,02 (8,78) | 46,55 (10,05) | 0,24 | 0,019 | 50,13 (8,06) | 43,41 (8,64) | 5,02** | 0,375 |
Local Module | 38,56 (10,36) | 38,7 (11,04) | −0,06 | 0,005 | 41,54 (8,53) | 35,3 (11,4) | 3,84** | 0,296 |