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Table 2 Baseline characteristics of the sample compared to the total NCMP population

From: The benefits and harms of providing parents with weight feedback as part of the national child measurement programme: a prospective cohort study

  Study sample (%) N = 1,844 NCMP population (%) N = 18,000 P*
Sex    
Girls 49.7 48.4 0.29
Boys 50.3 51.6
Ethnicity    
White 66.0 54.5 <0.01
Asian 5.5 10.8
Black 15.7 21.2
Mixed/other 12.8 13.5
School year    
Reception (4–5 years) 55.5 49.1 <0.01
Year 6 (10–11 years) 44.5 50.9
Weight status    
Underweight 1.9 1.4 <0.01
Healthy weight 82.8 76.5
Overweight 9.7 12.5
Obese 5.7 9.6
Deprivation quintile    
1 (most deprived) 19.1 20.3 <0.01
2 24.6 28.8
3 19.9 21.6
4 16.7 15.7
5 (least deprived) 19.7 13.7
  1. *From chi-squared test for differences between groups; Quintiles based on Index of Multiple Deprivation (IMD).