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Table 1 Descriptive statistics of studied variables

From: Association of nutritional support programs with zinc deficiency in Colombian children: a cross-sectional study

Variable Total, n %
  4275  
Enrollment in nutritional support program
 Yes 948 22.1
 No 3327 77.8
Wealth
 Very rich 202 4.7
 Rich 483 11.3
 Average 735 17.2
 Poor 1077 25.2
 Very poor 1778 41.6
Food security
 Yes 1260 29.4
 No 3015 70.6
Ethnicity
 Majority 3142 73.5
 Native Colombians 549 12.8
 Afro Colombians 543 12.7
 Others 41 1.0
Health coverage
 Yes 3634 85.1
 No 641 14.9
Age (years) 2.66 ± 1.09  
Sex
 Male 2274 53.2
 Female 2001 46.8
Body mass index 0.95 ± 7.50  
Maternal education level
 Lack of education 151 3.5
 Elementary 1465 34.3
 High school 2134 49.9
 Superior 525 12.3
Area
 Urban 2593 60.7
 Rural 1682 39.3
Hemoglobin level (μg/dL) 12.87 ± 1.51  
Ferritin level (μg/dL) 33.01 ± 30.50  
Vitamin Alevel (μg/dL) 25.84 ± 8.86  
C reactive protein level (μg/dL) 0.41 ± 1.07  
  1. SD, standard deviation