Table 1 Standard deviations for generic and vision specific health-related quality of life scores as obtained from baseline assessment of 2,261 participants enrolled in the Longitudinal Study of Ocular Complications in AIDS (LSOCA)
From: Interviewer versus self-administered health-related quality of life questionnaires - Does it matter?
Generic instruments | Vision-specific instruments | ||||||
|---|---|---|---|---|---|---|---|
Instrument and domain | Standard deviation | 0.2 of pooled standard deviation (defined here as meaningful difference) | Instrument and domain | Standard deviation | 0.2 of pooled standard deviation (defined here as meaningful difference) | ||
| Â | Self | Interview | Â | Â | Self | Interview | Â |
MOS-HIV | Â | Â | Â | VFQ-25 | Â | Â | Â |
   General health | 21.7 | 23.2 | 4.5 | Composite score | 14.0 | 17.6 | 3.0 |
   Physical function | 26.8 | 27.9 | 5.4 | General vision | 16.0 | 21.1 | 3.4 |
   Role function | 45.0 | 45.0 | 9.0 | Ocular pain | 18.5 | 18.3 | 3.7 |
   Social function | 28.6 | 31.8 | 6.0 | Near activities | 19.2 | 22.2 | 4.0 |
   Cognitive function | 24.2 | 25.1 | 4.9 | Distance activities | 16.6 | 19.7 | 3.5 |
   Pain | 27.0 | 28.3 | 5.5 | Social functioning | 14.3 | 17.9 | 3.0 |
   Mental health | 14.7 | 16.2 | 3.1 | Mental health | 19.4 | 21.5 | 4.0 |
   Energy | 22.1 | 24.8 | 4.6 | Role difficulties | 24.9 | 26.7 | 5.1 |
   Quality of life | 21.0 | 22.9 | 4.4 | Dependency | 18.1 | 20.9 | 3.7 |
   Health transitions | 23.8 | 24.4 | 4.8 | Driving | 20.9 | 31.5 | 4.7 |
Health utility | Â | Â | Â | Color vision | 12.9 | 17.4 | 2.8 |
   Feeling thermometer | 19.2 | 21.0 | 4.0 | Peripheral vision | 21.3 | 24.2 | 4.4 |
   EQ-5D | 0.17 | 0.19 | 0.036 |  |  |  |  |