| Independent variables | Regression coefficient (95% CI) | P value |
| Age Gender | 2.000 (1.880, 2.119) | <0.001* |
| Male/Female | −4.016 (−5.663, −2.369) | <0.001* |
| Batch |
|
|
| Year 4/5 | 1.572 (−0.812, 3.957) | 0.195 |
| Year 3/5 | 1.674 (−0.640, 3.989) | 0.156 |
| Ethnics |
|
|
| Indian/Chinese | 5.326 (0.947, 9.705) | 0.017* |
| Malay/Chinese | −3.750 (−11.679, 4.180) | 0.362 |
| Others/Chinese | 4.298 (−0.743, 9.338) | 0.094 |
| Religion |
|
|
| Christian/Buddhist | −1.247 (−4.277, 1.783) | 0.419 |
| Hindu/Buddhist | −4.367 (−9.199, 0.464) | 0.076 |
| Islam/Buddhist | 4.038 (−3.954, 12.030) | 0.321 |
| No religion/Buddhist Others/Buddhist | −2.560 (−9.663, 4.543) −2.112 (−8.142, 3.919) | 0.479 0.491 |
| Residence |
|
|
| Non-hosteller/Hosteller | −0.061 (−2.017, 1.894) | 0.951 |
| Relationship status |
|
|
| Single/In a relationship | −0.929 (−2.599, 0.741) | 0.275 |