| Group A (n = 419) | Group B (n = 409) | Group C (n = 433) | p Value |
---|---|---|---|---|
Age,a,b years | Â | Â | Â | .000 |
 12–17 | 30 (7.3) | 50 (12.7) | 27 (6.5) |  |
 18–34 | 60 (14.6) | 95 (24.1) | 118 (28.4) |  |
 35–44 | 195 (47.3) | 147 (37.3) | 186 (44.8) |  |
 45–54 | 77 (18.7) | 72 (18.3) | 52 (12.5) |  |
 55–64 | 24 (5.8) | 24 (6.1) | 23 (5.5) |  |
 65 or older | 26 (6.3) | 6 (1.5) | 9 (2.2) |  |
Sexa,b | Â | Â | Â | .030 |
 Male | 90 (21.5) | 118 (28.9) | 98 (22.7) |  |
 Female | 329 (78.5) | 291 (71.1) | 334 (77.3) |  |
Education levela,b | Â | Â | Â | .000 |
 None | 9 (2.2) | 7 (1.8) | 6 (1.4) |  |
 Primary | 76 (18.6) | 50 (12.7) | 49 (11.8) |  |
 Secondary | 276 (67.5) | 269 (68.4) | 325 (78.5) |  |
 Tertiary or above | 48 (11.7) | 67 (17.0) | 34 (8.2) |  |
Subjective happinessc,d (4 items, 1–7 scale) | 4.67 (1.10) | 4.72 (1.13) | 4.70 (1.13) | .79 |
Health-related quality of lifec,d (12 items, 0–100 scale) |  |  |  |  |
 Mental component | 44.77 (8.75) | 44.89 (9.20) | 44.70 (8.94) | .96 |
 Physical component | 47.01 (8.23) | 47.65 (7.06) | 47.71 (7.84) | .41 |