| Variables | Modalities | FVC | OR | CI | P value | |
| Yes | No | |||||
| Age | ≤30 years | 245 (82.5%) | 52 (17.5%) | 2.94 | [1.66 - 5.19] | <0.001 |
| >30 years | 51 (61.5%) | 32 (38.5%) | Ref |
|
| |
| Marital status
| Married | 288 (77.8%) | 82 (22.2%) | 0.87 | [0.08 - 4.52] | 1 |
| Single | 8 (83.3) | 2 (16.7%) | Ref |
|
| |
| Mother/caregiver’s occupation | Housewife | 233 (76.4%) | 72 (23.6%) | 0.61 | [0.28 - 1.23] | 0.16 |
| Others | 63 (84%) | 12 (16%) | Ref |
|
| |
| Monthly household income | With income | 218 (76.2%) | 68 (23.8%) | 0.67 | [0.34 - 1.26] | 0.248 |
| No income | 76 (82.6%) | 16 (17.4%) | Ref |
|
| |
| Education of mothers/caregivers | Education | 101 (91.8%) | 9 (8.2%) | 4.3 | [2.03 - 10.1] | <0.001 |
| No education | 195 (72.2%) | 75 (27.3%) | Ref |
|
| |