Table 1. Body mass index, lifestyle and demographic profile of SGBCC participants, recruited between April 2010 and Dec 2016, compared with the general population in Singapore.
| SGBCC | General population % |
Difference | ||
|---|---|---|---|---|
| n | % | |||
| Age at diagnosis a | ||||
| 0–44 | 1,593 | 20.5 | 17.9 | 2.6 |
| 45–54 | 2,725 | 35.1 | 29.0 | 6.1 |
| 55–64 | 2,255 | 29.0 | 29.1 | -0.1 |
| 65–74 | 921 | 11.9 | 14.8 | -2.9 |
| 75+ | 272 | 3.5 | 9.2 | -5.7 |
| Unknown | 2 | 0.0 | ||
| Ethnicity a | ||||
| Chinese | 6,142 | 79.1 | 80.5 | -1.4 |
| Malay | 925 | 11.9 | 10.6 | 1.3 |
| Indian | 448 | 5.8 | 6.3 | -0.5 |
| Others | 253 | 3.3 | 2.5 | 0.8 |
| Highest educational qualification attained (female, aged 15+) b | ||||
| Below secondary | 2,308 | 29.7 | 35.5 | -5.8 |
| Secondary | 2,879 | 37.1 | 19.9 | 17.2 |
| Post-secondary c | 2,563 | 33.0 | 44.6 | -11.6 |
| Unknown | 18 | 0.2 | ||
| Housing type b | ||||
| 1–3 room HDB flat | 1,737 | 22.4 | 24.6 | -2.2 |
| 4 room HDB flat | 2,627 | 33.8 | 31.9 | 1.9 |
| 5 room and above HDB flat | 2,223 | 28.6 | 25.9 | 2.7 |
| Condominium and private flats | 696 | 9.0 | 11.5 | -2.5 |
| Landed property and others | 481 | 6.2 | 6.1 | 0.1 |
| Unknown | 4 | 0.1 | ||
| Mammography screening ever (female, aged 50 to 69 years) d | ||||
| Yes | 2,248 | 45.1 | 66.3 | -21.2 |
| No | 1,486 | 29.8 | 33.7 | -3.9 |
| Unknown | 1,253 | 25.1 | ||
| Number of children (ever married) e | ||||
| 0 | 602 | 9.0 | 11.8 | -2.8 |
| 1 | 1,054 | 15.8 | 19.2 | -3.4 |
| 2 | 2,634 | 39.4 | 34.4 | 5.0 |
| ≥3 | 2,395 | 35.8 | 34.6 | 1.2 |
| Unknown | 7 | 0.1 | ||
| Smoking status f | ||||
| Non-smoker | 7,569 | 97.4 | 92.5 | 4.9 |
| Smoker | 193 | 2.5 | 7.5 | -5.0 |
| Unknown | 6 | 0.1 | ||
| Body mass index (kg/m2) f | ||||
| Underweight (<18.5) | 1,098 | 14.1 | 8.2 | 5.9 |
| Normal (18.5–24.9) | 3,576 | 46.0 | 58.0 | -12.0 |
| Overweight (≥25) | 2,999 | 38.6 | 33.8 | 4.8 |
| Unknown | 95 | 1.2 | ||
a Singapore Cancer Registry (female breast).
b Singapore Census of Population 2010.
c Post-secondary (non-tertiary), Diploma and Professional Qualification, and University.
d National Health Survey 2010 (female, aged 50 to 69 years).