Table 2.
Psychometric properties of the WHOQOL-BREF for the whole study sample (n = 1040)
| WHOQOL-BREF domain | Overall | Cronbach’s α (std.) | Standard error Cronbach’s α | Guttman’s lambda 6 | ||
|---|---|---|---|---|---|---|
| Domain | n | Mean | SD | |||
| 1040 | ||||||
| Physical health | ||||||
| Range 0–100 | 984 | 70.1 | 18.4 | 0.82 | 0.015 | 0.82 |
| Range 4–20 | 15.2 | 2.9 | ||||
| Psychological | ||||||
| Range 0–100 | 988 | 63.9 | 18.1 | 0.83 | 0.015 | 0.82 |
| Range 4–20 | 14.2 | 2.9 | ||||
| Social relationships | ||||||
| Range 0–100 | 987 | 62.6 | 20.9 | 0.71 | 0.030 | 0.64 |
| Range 4–20 | 14.0 | 3.3 | ||||
| Environment | ||||||
| Range 0–100 | 986 | 73.0 | 14.7 | 0.80 | 0.014 | 0.79 |
| Range 4–20 | 15.7 | 2.4 | ||||