| Factors | Adjusted OR | 95% CI | |
| Lower | Upper | ||
| Male | 1 |
|
|
| Female | .99 | .93 | 1.06 |
| 13 year old and below | 1 |
|
|
| 14 years old | 1.25 | 1.13 | 1.37 |
| 15 years old | 1.29 | 1.17 | 1.41 |
| 16 years old | 1.76 | 1.60 | 1.94 |
| 17 years old | 1.59 | 1.45 | 1.75 |
| Malay | 1 |
|
|
| Chinese | 1.00 | .92 | 1.09 |
| Indian | 1.13 | .99 | 1.28 |
| Bumiputera Sabah/Sarawak | .93 | .83 | 1.04 |
| Others | 1.50 | 1.20 | 1.88 |
| Married and living together | 1 |
|
|
| Single parents | 1.25 | 1.16 | 1.35 |
| Yes | .84 | .71 | .99 |
| No | 1 |
|
|
| Yes | .70 | .66 | .75 |
| No | 1 |
|
|
| Yes | 1.31 | 1.22 | 1.42 |
| No | 1 |
|
|
| Yes | 1.39 | 1.24 | 1.56 |
| No | 1 |
|
|
| Yes | 2.23 | 2.03 | 2.46 |
| No | 1 |
|
|
| Yes | 2.23 | 1.52 | 3.29 |
| No | 1 |
|
|