Table 5.
Comparison of construct validity between web-based and paper versions of the EQ-5D-Y
| Web version | Paper version | Web version | Paper version | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Self-perceived health (fair-poor) n(%) | P | Self-perceived health (fair-poor) n (%) | P | SDQ n |
Mean (s.d.) | T | SDQ n |
Mean (s.d.) | T | |
| Mobility (walking about) | 0.003 | <0.001 | <0.001 | <0.001 | ||||||
| No | 25 (3.8) | 18 (2.7) | 649 | 8.9 (5.6) | 645 | 8.9 (5.6) | ||||
| Some/a lot of | 6 (12.5) | 6 (13.6) | 43 | 12.7 (6.1) | 46 | 12.7 (6.2) | ||||
| Looking after myself | 0.21 | 0.79 | 0.009 | 0.009 | ||||||
| No | 29 (4.2) | 23 (3.4) | 672 | 9.0 (5.6) | 669 | 9.0 (5.6) | ||||
| Some /a lot of | 2 (9.0) | 1 (5.6) | 20 | 11.7 (6.3) | 22 | 12.3 (6.4) | ||||
| Doing usual activities | <0.001 | <0.001 | <0.001 | <0.001 | ||||||
| No | 23 (3.5) | 14 (2.1) | 644 | 8.8 (5.6) | 644 | 8.8 (5.4) | ||||
| Some/a lot of | 8 (17.0) | 10 (22.2) | 46 | 14.1 (6.1) | 45 | 14.1 (6.8) | ||||
| Having pain or discomfort | <0.001 | <0.001 | <0.001 | <0.001 | ||||||
| No | 18 (3.2) | 11 (1.9) | 557 | 8.3 (5.3) | 561 | 8.3 (5.4) | ||||
| Some/a lot of | 13 (9.0) | 13 (9.6) | 137 | 12.6 (5.8) | 130 | 12.5 (5.5) | ||||
| Feeling worried, sad or unhappy | <0.001 | <0.001 | <0.001 | <0.001 | ||||||
| No | 16 (2.8) | 8 (1.4) | 558 | 8.3 (5.3) | 553 | 8.1 (5.2) | ||||
| Some/a lot of | 15 (10.7) | 16 (11.5) | 134 | 12.5 (5.9) | 138 | 13.3 (5.6) |
Self perceived health (‘excellent’, ‘very good’, ‘good’ vs ‘fair’,’poor’)
SDQ Strengths and Difficulties Questionnaire