Table 1. Sociodemographic factors associated with FA using multivariable logistic regression.
| Total, n(%) | Non-FAs, n(%) | FAs, n(%) | Crude OR | P value | Adjusted OR | P value | |
| Total adolescents | 34 645 | 29 652 (85.6) | 4993 (14.4) | – | – | – | – |
| Age, Median (IQR) | 16 (13–18) | 15 (13–18) | 17 (15–19) | 1.16 (1.15–1.17) | <0.001 | 1.16 (1.15–1.18) | <0.001 |
| Gender | |||||||
| Male | 17 617 (50.9) | 15 097 (50.9) | 2520 (50.5) | 0.98 (0.93–1.04) | 0.562 | 1.01 (0.95–1.08) | 0.695 |
| Female | 17 028 (49.1) | 14 555 (49.1) | 2473 (49.5) | 1 | 1 | ||
| Ethnicity | |||||||
| Chinese | 20 715 (59.8) | 18 148 (61.2) | 2567 (51.4) | 1 | 1 | ||
| Malay | 8169 (23.6) | 6650 (22.4) | 1519 (30.4) | 1.61 (1.51–1.73) | <0.001 | 1.43 (1.33–1.54) | <0.001 |
| Indian | 3739 (10.8) | 3130 (10.6) | 609 (12.2) | 1.38 (1.25–1.51) | <0.001 | 1.40 (1.27–1.54) | <0.001 |
| Others | 2022 (5.8) | 1724 (5.8) | 298 (6.0) | 1.22 (1.07–1.39) | 0.002 | 1.19 (1.04–1.36) | 0.01 |
| Financial support | |||||||
| Yes* | 13 249 (38.2) | 10 724 (36.2) | 2525 (50.6) | 1.81 (1.70–1.92) | <0.001 | 1.68 (1.58–1.79) | <0.001 |
| No | 21 396 (61.8) | 18 928 (63.8) | 2468 (49.4) | 1 | 1 |
*
Receipt of any form of financial support.