Table 1.

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)