| N | Mean (median) | SD | ANOVA F-value, p-value |
---|---|---|---|---|
All | 513 | 9.8 (8.0) | 8.29 | Â |
Sex | ||||
 Males | 220 | 10.5 (8.0) | 8.61 |  |
 Females | 293 | 9.3 (8.0) | 8.01 | F = 2.674, p = 0.103 |
Age | ||||
 19–39 | 167 | 10.1 (8.0) | 7.71 |  |
 40–49 | 150 | 9.8 (8.0) | 8.50 |  |
 50 + | 196 | 9.5 (8.0) | 8.62 | F = 0.206, p = 0.814 |
Income deprivation | ||||
 1 (higher) | 180 | 10.0 (8.0) | 7.65 |  |
 2 | 163 | 10.9 (8.0) | 9.25 |  |
 3 (lower) | 170 | 8.6 (7.0) | 7.84 | F = 3.120, p = 0.04 |