Table 2.

Maternal, socio‐economic, demographic, obstetric condition and health characteristics of the mother–child pairings for the intervention and control groups

	Variables	Intervention group (n = 123)		Control group (n = 128)
		n	%	n	%
Maternal, socio‐economic, and demographic characteristics	Age
	<20 years	11	8.9	12	9.4
	20–34 years	96	78.1	99	77.3
	>35 years	16	13.0	17	13.3
	Median (p.25 and p.75)	26 (22–32)		27 (23–32)
	Years of schooling
	≤8 years	14	11.5	13	10.2
	9–11 years	19	15.6	22	17.3
	≥12 years	89	73.0	92	72.4
	Median (p.25 and p.75)	12 (11–12)		12 (10–13)
	Lives with partner
	Yes	109	88.6	113	88.3
	No	14	11.4	15	11.7
	Occupation
	Paid work	61	49.6	73	57.0
	Does not work outside of home	62	50.4	55	43.0
	Own home
	Yes	71	57.7	68	53.1
	No	52	42.3	60	46.9
	Per capita income (R$)
	Median (p.25 and p.75)	400 (293.3–586.7)		352 (293.3–543.3)
Obstetric and health conditions	No. of prenatal consultations
	<6	29	23.6	13	10.2
	≥6	94	76.4	115	89.8
	Median (p.25 and p.75)	8 (6–9)		9 (7–10)
	Parity
	Primiparous	58	47.2	64	50.0
	2 or more	65	52.8	64	50.0
	Type of delivery
	Normal	58	47.2	49	38.3
	Caesarean section	65	52.8	79	61.7
	Birth weight (g)
	Mean ± SD	3,420.5 ± 441.2		3,444.8 ± 495.2
	Child's sex
	Female	60	48.8	60	46.9
	Male	63	51.2	68	53.1

Note. SD: standard deviation; p.25: 25 percentile; p.75: 5 percentile.