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Table 1 Characteristics of the infants and toddlers from the MING study

From: Nutrient intakes of infants and toddlers from maternal and child care centres in urban areas of China, based on one 24-hour dietary recall

Characteristics Percent Standard error
Child’s sex
 Male 54.6 1.4
 Female 45.4 1.4
Child’s Ethnicity
 Han 95.0 0.6
 Non-Han 5.0 0.6
Age of mother at birth(y)
  < 19 0.8 0.2
 20–24 22.9 1.1
 25–29 44.7 1.4
 30–34 22.5 1.1
 35–39 7.4 0.7
  ≥ 40 1.7 0.4
Mother’s education
 Did not attend school 0.6 0.2
 Primary school 2.7 0.4
 Middle school 17.9 1.0
 High school/Secondary specialized school 22.1 1.1
 Technical College 22.7 1.1
 Bachelor’s degree 25.0 1.2
 Master’s degree or above 9.0 0.8
Average monthly income (per family member)
  < RMB 500 (<USD 80) 1.1 0.2
 RMB 501–1500 (USD 80–240) 10.4 0.6
 RMB 1501–2000 (USD 240–320) 14.3 0.7
 RMB 2001–3000 (USD 320–480) 20.8 0.8
 RMB 3001–4000 (USD 480–640) 14.0 0.7
 RMB 4001–6000 (USD 640–960) 13.8 0.7
 RMB 6001–8000 (USD 960–1280) 7.6 0.5
  > RMB 8000 (USD 1280) 11.3 0.7
 Unspecified 4.4 0.4
The main caregiver
 Mother 60.4 1.3
 Father 0.5 0.2
 Grandparent(s) 36.7 1.3
 Nanny 1.1 0.3
 Others 1.3 0.3
 Missing(not reported) 3.8 0.5