Demographic characteristics of sample (n=500) and population. Sample racial groups are self-declared. Census racial groups accord with national registration
| Sample percentage (95% CI) | Census 2010 percentage | |
| Age (years) | ||
| <40 | 36.2 (32.0 to 40.4) | 39.9 |
| 40–49 | 26.4 (22.5 to 30.3) | 22.2 |
| 50–59 | 19.6 (16.1 to 23.1) | 19.3 |
| 60+ | 17.8 (14.4 to 21.2) | 18.6 |
| Gender | ||
| Male | 45.8 (41.4 to 50.2) | 48.8 |
| Female | 54.2 (49.8 to 58.6) | 51.2 |
| Education | ||
| Upper secondary school or lower | 54.8 (50.4 to 59.2) | 62.0 |
| Polytechnic diploma or higher | 45.2 (40.8 to 49.6) | 38.0 |
| Racial group | ||
| Chinese | 72.8 (68.9 to 76.7) | 74.2 |
| Indian | 9.6 (7.0 to 12.2) | 9.2 |
| Malay | 13.0 (10.1 to 15.9) | 13.3 |
| Other | 4.6 (2.8 to 6.4) | 3.3 |
| Employment status | ||
| Employed | 65.0 (60.8 to 69.2) | 64.6 |
| Unemployed | 3.2 (1.7 to 4.7) | 2.0 |
| Not in labour force | 31.8 (27.7 to 35.9) | 33.4 |
| Family status | ||
| Without children | 42.4 (38.1 to 46.7) | 44.0 |
| With children | 57.6 (53.3 to 61.9) | 56.0 |