Table 2. Sociodemographic characteristics of families, mothers and children included in the survey in all capitals and the Federal District, 2020–2021.

Variable		Stratum A	Stratum B	Stratum C	Stratum D	Total
N. families included		6,695	7,724	8,280	8,329	31,028
Characteristics of families
Level of family consumption (ABEP) – % families
	High	20.7	10.0	3.3	0.5	4.5
	Medium	51.6	41.9	33.5	8.8	22.6
	Low	17.1	30.4	34.8	38.8	34.5
	Very low	10.7	17.7	28.5	52.0	38.5
Household crowding (%)		3.7	5.5	8.6	14.8	11.2
Bolsa Família Program (%)		7.3	12.5	19.3	34.4	25.6
Monthly family income (%)
	Up to R$ 1,000	5.4	10.8	18.5	37.3	26.7
	R$ 1,001 to R$ 3,000	10.9	20.2	31.3	41.6	33.5
	R$ 3,001 to R$ 8,000	23.3	25.1	23.2	9.7	15.8
	Above R$ 8,000	37.3	20.1	10.3	1.2	9.5
Grandmother living in household (%)		23.3	23.0	27.6	30.6	28.2
Mother's characteristics
Schooling (%)
	0 to 8 years	1.6	4.0	5.5	11.6	8.3
	9 to 12 years	4.0	7.0	10.2	21.8	15.7
	13 to 15 years	22.1	26.8	39.5	48.2	40.9
	16 years and more	70.3	59.8	41.8	15.4	32.3
Age group
	<20 years	0.9	1.4	1.7	3.2	2.4
	20 to 34 years	38.2	40.8	52.9	62.0	54.9
	35 years and more	60.6	57.3	45.2	34.4	42.3
Race/color (%)
	White	58.3	57.5	51.3	36.5	44.5
	Brown	32.0	30.8	36.7	42.7	38.8
	Black	6.9	7.0	7.9	16.9	12.7
	Yellow	1.2	2.5	1.2	1.3	1.4
	Indigenous	0.0	0.3	0.4	0.3	0.3
Paid work (%)		70.8	63.1	57.0	46.3	53.3
With partner (%)		87.1	82.4	75.8	69.3	74.2
Number of live children (mean)		1.9	1.8	1.9	2.3	2.1
Characteristics of children
Sex
	Male	48.5	47.9	51.3	51.8	50.8
	Female	51.5	52.1	48.7	48.3	49.2
Birth order
	First-born	51.9	54.9	52.4	43.7	47.7
	Second-born	36.1	30.4	32.1	29.6	30.9
	Third-born	8.4	10.2	10.6	15.1	12.8
	Fourth-born or more	3.4	4.4	4.8	11.4	8.3
Race/color
	White	69.1	63.4	59.9	44.9	52.9
	Brown	26.9	30.8	34.4	43.0	37.9
	Black	2.6	4.5	4.6	11.1	8.0
	Yellow	1.3	0.9	0.7	0.8	0.9
	Indigenous	0.0	0.0	0.3	0.3	0.3
Child in daycare		57.7	53.5	48.3	48.0	49.8

ABEP: Associação Brasileira de Empresas de Pesquisa.