Background information of study participants (n=769)
| Variables | Frequency | Percentage |
| Age (in years), mean±SD | 12.0±1.8 | |
| Gender | ||
| Male | 251 | 32.7 |
| Female | 518 | 67.3 |
| Residence | ||
| Rural | 296 | 38.5 |
| Urban | 473 | 61.5 |
| Type of family | ||
| Nuclear | 597 | 77.6 |
| Joint | 172 | 22.4 |
| Birth order | ||
| First or second | 569 | 74.0 |
| Third or more than third | 200 | 25.9 |
| Monthly family income (in BDT) | ||
| Less than BDT10 000 | 178 | 23.1 |
| BDT10 000–BDT20 000 | 326 | 42.4 |
| More than BDT20 000 | 265 | 34.4 |
| Maximum years of parental education | ||
| <8 | 166 | 21.6 |
| 8 to 12 | 314 | 40.9 |
| >12 | 288 | 37.5 |
| Mode of delivery | ||
| Do not know | 45 | 5.9 |
| NVD by others | 183 | 23.8 |
| NVD by doctor | 339 | 44.0 |
| C/S | 202 | 26.3 |
| EPI vaccination | ||
| No | 73 | 9.4 |
| Yes | 696 | 90.6 |
| Duration of breastfeeding (in months) | ||
| Less than 6 months | 83 | 10.8 |
| 6–12 months | 123 | 15.9 |
| 12–24 months | 196 | 25.5 |
| More than 24 months | 368 | 47.8 |
| Deworming | ||
| Never | 22 | 2.8 |
| Occasionally | 377 | 49.0 |
| Regularly (3 monthly) | 370 | 48.1 |
| Gadget addiction | ||
| Low gadget addiction | 408 | 53.0 |
| High gadget addiction | 361 | 46.9 |
BDT, Bangladeshi Taka; C/S, caesarean section; EPI, Expanded Programme on Immunisation; NVD, normal vaginal delivery.