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Table 1 Distribution of individual characteristics in relation to blood lead levels.

From: Relation between anemia and blood levels of lead, copper, zinc and iron among children

Characters of studied group Blood lead level  
  Low <10 μg/dl (n = 22) High ≥10 μg/dl (n = 38) Test of significance
  No (%) No (%)  
Age:    
   - school children (≥6 years old) 9 (40.9) 20 (52.6) x2 = 0.76
   Pre-school children (<6 years old) 13 (59.1) 18 (47.4) P = 0.4
Gender:    
   - Male 9 (40.9) 23 (60.5) x2 = 2.15
   - Female 13 (59.1) 15 (39.5) P = 0.1
Residency:    
   - Urban 12 (54.5) 20 (52.6) x2 = 0.21
   - Rural 10 (45.5) 18 (47.4) P = 1.0
Mother education:    
   - Education 3 (13.6) 4 (10.5) x2 = 0.15
   - Illiterate 19 (86.4) 34 (89.5) P = 0.9
Father education:    
   - Education 3 (13.6) 4 (10.5) x2 = 0.34
   - Illiterate 19 (86.4) 34 (89.5) P = 0.8
Mother work:    
   - Employed 3 (13.6) 4 (10.5) x2 = 0.13
   - Unemployed 19 (86.4) 34 (89.5) P = 0.7
Father work:    
   - Employed 16 (72.7) 28 (73.7) x2 = 0.07
   - Unemployed 6 (27.3) 10 (26.3) P = 0.9
Sources of drinking water:    
   - Tap water 12 (54.5) 20 (52.6) x2 = 0.02
   - Hand pump water 10 (45.5) 18 (47.4) P = 1.0
Socioeconomic level:    
   - Middle 3 (13.6) 4 (10.5) x2 = 0.13
   - Low 19 (86.4) 34 (89.5) P = 0.7
  1. x2 = chi-square test