Dietary intake patterns of children aged 6 years and their association with socioeconomic and demographic characteristics, early feeding practices and body mass index

Table 1 Sample characteristics according to independent variables (Number of participants and percentage). Pelotas 2004 birth cohort study

Variables	N	%
SEP (quintiles)
1^st (lower)	784	22.9
2^nd	716	21.0
3^rd	766	22.4
4^th	553	16.2
5^th (higher)	595	17.4
Maternal age at birth (years)
18–35	2733	79.8
< 18	324	9.5
> 35	367	10.7
Children’s sex
Male	1772	51.9
Female	1645	48.1
Children’s skin colour
White	2324	71.4
Brown	502	15.4
Black	428	13.2
Exclusive breastfeeding
0–7 days	859	25.4
8 days - <1 month	375	11.1
1 - <3 months	1421	42.1
≥ 3 months	721	21.4
Age of introduction of complementary food
≥ 4 months	498	14.8
1–3.9 months	1685	49.9
< 1 month	1190	35.3
BMI at 6 years (z-score)
Normal	2016	65.0
Overweight	555	17.9
Obese	533	17.2

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