Table 1 Characteristics of subjects and distribution of SF-36 scales and SF-6D index scores.
Subject characteristics (N = 5,224) | N (%) unless specified otherwise |
|---|---|
Mean (SD) age in years | 40.3 (11.52) |
Female gender | 2,555 (48.9) |
Ethnicity | Â |
   Chinese | 2,558 (49.0) |
   Malay | 1,189 (22.8) |
   Indian | 1,477 (28.3) |
Housing type | Â |
   Lower cost public housing | 388 (7.4) |
   Public housing | 4,647 (89.0) |
   Private housing | 188 (3.6) |
Years of education | Â |
   ≤ 6 | 1,266 (24.2) |
   7–10 | 2,682 (51.3) |
   >10 | 1,276 (24.4) |
Marital status | Â |
   Married | 3,686 (70.6) |
   Single | 1,272 (24.3) |
   Divorced/Separated | 136 (2.6) |
   Widow | 130 (2.5) |
Working | 4,022 (75.0) |
Smoking | 1,045 (20.0) |
Presence of acute medical conditions* | 3,493 (66.9) |
Presence of chronic medical conditions | Â |
   Diabetes mellitus | 309 (5.9) |
   Hypertension | 557 (10.7) |
   Heart disease | 125 (2.4) |
   Stroke | 32 (0.6) |
   Lung diseases‡ | 278 (5.3) |
   Cancer | 35 (0.7) |
   Musculoskeletal illnesses‡ | 1,389 (26.6) |
   Mental illness‡ | 136 (2.6) |
Prevalence of co-existing chronic medical conditions in people with diabetes mellitus | Â |
   Hypertension | 115 (37.2) |
   Heart disease | 46 (14.9) |
   Lung diseases‡ | 27 (8.7) |
   Musculoskeletal illnesses‡ | 107 (34.6) |
   Mental illnesses‡ | 9 (2.9) |
Mean (SD) Family Functioning Measure scores | 10.3 (2.75) |
Mean (SD) SF-36 scores†|  |
   Physical functioning (PF) | 80.3 (23.19) |
   Role-physical (RP) | 80.5 (32.94) |
   Bodily pain (BP) | 78.3 (21.73) |
   General health (GH) | 68.6 (17.21) |
   Vitality (VT) | 63.8 (16.98) |
   Social functioning (SF) | 80.6 (20.48) |
   Role-emotional (RE) | 79.2 (34.98) |
   Mental health (MH) | 72.4 (16.70) |
Mean (SD) SF-6D index scores†| 0.77 (0.130) |