Table 2. Demographic characteristics of patients included in the HIV screening program.
| Variables | Opt Inn = 8,868 (%) | Opt Outn = 32,625 (%) | Odds Ratio(95% CI) | p value |
| Gender | ||||
| Male | 5,576 (24) | 17,332 (76) | 1 | |
| Female | 3,392 (17) | 15,343 (82) | 1.5 (1.4–1.6) | <0.01 |
| Age | ||||
| 20–59 | 5,684 (29) | 14,200 (71) | 1 | |
| 60–109 | 3,184 (15) | 18,475 (85) | 2.3 (2.2–2.4) | <0.001 |
| Mean (SD) | 52.7 (16.6) | 60.7 (17.2) | - | <0.001 |
| Median (IQR) | 53 (41–65) | 62 (49–74) | - | <0,001 |
| Ethnicity | ||||
| Chinese | 5,418 (19) | 23,881 (82) | 1.7 (1.6–1.8) | <0.001 |
| Indian | 1,336 (29) | 3,347 (71) | 1 | |
| Malay | 1,514 (28) | 3,824 (72) | 1.0 (0.9–1.1) | >0.20 |
| Others | 600 (27) | 1,623 (73) | 1.1 (1.0–1.2) | 0.18 |