Maternal and birth characteristics
| N=13 730 n (%) | |
| Respondent type | |
| Mother | 12 863 (93.7%) |
| Family caregiver | 496 (3.6%) |
| Mother + family caregiver | 371 (2.7%) |
| Maternal characteristics | |
| Maternal age (years; mean (SD)) | 24.2 (3.62) |
| Maternal years of schooling (Mean (SD)) | 8.52 (3.83) |
| Family owns smartphone | 10 025 (73.0%) |
| Birth characteristics | |
| Singleton birth | 13 625 (99.2%) |
| Primiparous | 6305 (45.9%) |
| Caesarean section delivery | 4887 (35.6%) |
| Baby sex: female | 6616 (48.2%) |
| Birth weight (grams) per respondent recall or hospital discharge card (mean (SD)) | 2770 (533) |
| Sick Newborn Care Unit admission | 2398 (17.5%) |
| Maternal length of stay (days; median (95% CI)) | 2.77 (2.73 to 2.81) |