Table 10 Construct and concurrent validity of WHOQOL-DIS for people with intellectual disabilities
Factor/domain | Do you have a disability [impairment or limitation]? | Depression (BDI-II) (stratified by quantils) | Satisfaction with life (SWLS) (stratified by quantils) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Yes (n = 94) | No (n = 61) | df = 153 | ≤ 5 (n = 72) | ≥ 6 (n = 83) | df = 153 | ≤ 30 (n = 73) | ≥ 31 (n = 83) | df = 154 | ||||
Mean (SD) | Mean (SD) | t | d | Mean (SD) | Mean (SD) | t | d | Mean (SD) | Mean (SD) | t | d | |
Physical(a) | 52,09 (8,89) | 54,81 (8,75) | −1,87* | 0,15 | 56,35 (6,89) | 50,3 (9,55) | 4,56** | 0,35 | 50,49 (10,16) | 55,42 (6,88) | −3,5* | 0,27 |
Psychological(a) | 48,98 (8,35) | 50,14 (8,44) | −0,84 | 0,07 | 52,78 (5,89) | 46,44 (9, 14) | 5,2** | 0,39 | 47,09 (9,36) | 51,41 (6,83) | −3,25** | 0,25 |
Social(a) | 39,89 (11,39) | 40,44 (10,85) | −0,3 | 0,02 | 43,29 (9,65) | 37,05 (12,09) | 3,57** | 0,28 | 35,62 (12,29) | 43,67 (9,07) | −4,61** | 0,35 |
Environment(a) | 38 (9,27) | 39,34 (9,87) | −0,86 | 0,07 | 40,28 (8,61) | 36,86 (10,01) | 2,26* | 0,18 | 34,59 (10,3) | 41,91 (7,19) | −5,08** | 0,38 |
Overall(a) | 77,79 (24,26) | 85,25 (21,83) | −1,94* | 0,15 | 84,72 (20,15) | 76,96 (25,93) | 2,09* | 0,17 | 72,43 (27,56) | 87,65 (16,62) | −4,11** | 0,31 |
Factor1(b) | 74,02 (14,86) | 81,01 (14,04) | −2,92* | 0,23 | 80,67 (14,59) | 73,29 (14,54) | 3,15** | 0,25 | 73,74 (13,3) | 79,12 (16,01) | −2,26* | 0,18 |
Factor2(b) | 31,91 (15,25) | 31,97 (14,92) | −0,02 | 0,00 | 34,72 (13,92) | 29,22 (15,53) | 2,31* | 0,18 | 27,28 (14,52) | 35,94 (14,37) | −3,74** | 0,29 |
Factor3(b) | 39,01 (10,2) | 40,85 (10,48) | −1,08 | 0,09 | 42,07 (8,04) | 37,4 (11,62) | 2,94* | 0,23 | 35,9 (11,47) | 42,92 (7,99) | −4,38** | 0,33 |
Overall(b) | 13,36 (8,91) | 18,34 (8,9) | −3,4** | 0,27 | 16,67 (8,39) | 14,01 (9,79) | 1,8* | 0,14 | 13,18 (9,05) | 17,09 (9) | −2,7* | 0,21 |
DISQOL Module | 45,99 (8,83) | 48,67 (8,85) | −1,84* | 0,15 | 49,88 (8,04) | 44,33 (9,01) | 4,02** | 0,31 | 43,21 (8,66) | 50,23 (7,93) | −5,28** | 0,39 |
Local Module | 38,7 (10,5) | 38,63 (10,36) | 0,04 | 0,00 | 40,71 (9,26) | 36,59 (11,05) | 2,49* | 0,20 | 35,36 (11,33) | 41,42 (8,71) | −3,7** | 0,29 |