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Table 1 Socio-demographic characteristics of the studied 6-year-old children and their families

From: Dietary intake in 6-year-old children from southern Poland: part 1 - energy and macronutrient intakes

Variable Girls (n = 64) Boys (n = 56) All children (n = 120)
Mother’s age (years) 33.0 ± 5.31 33.8 ± 5.51 33.4 ± 5.41
Father’s age (years) 36.0 ± 6.51 35.9 ± 6.41 36.0 ± 6.41
Mother’s education    
Vocational2 (%) 9.5 13.2 11.2
Secondary3 (%) 54.0 41.5 48.3
Higher4 (%) 36.5 45.3 40.5
Father’s education    
Vocational2 (%) 31.7 31.4 31.6
Secondary3 (%) 39.7 39.2 39.5
Higher4 (%) 28.6 29.4 28.9
Family    
Two-parent (%) 92.1 90.9 91.5
One-parent (%) 7.9 9.1 8.5
Number of children in the family    
One (%) 31.7 29.1 30.5
Two (%) 49.2 52.7 50.8
Three (%) 14.3 16.4 15.3
Four (%) 3.2 1.8 2.5
Six (%) 1.6 0.0 0.8
The sequence of the child in the family    
First (%) 64.5 63.6 64.1
Second (%) 22.6 29.1 25.6
Third (%) 9.7 7.3 8.5
Fourth (%) 1.6 0.0 0.9
Sixth (%) 1.6 0.0 0.9
  1. 1Mean ± standard deviation.
  2. 2Eight years of primary school followed by three years of vocational school.
  3. 3Eight years of primary school followed by four years of secondary school.
  4. 4Eight years of primary school, four years of secondary school and three to five years of studies ending in receiving bachelor’s or master’s degree.