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Table 4 Logistic regression analysis: Adjusted odds ratio (OR) and 95 % confidence intervals (CI) for potential risk factors for lead poisoning (Blood lead concentration >= 100 μg/L) among children 1–3 year old

From: Blood Lead Concentrations in 1–3 Year Old Lebanese Children: A Cross-sectional study

Risk factors OR (95% CI)
Father's occupation (ref. Non-manual)  
   Manual 4.74 (1.82 – 12.31)
Season (ref. Winter)  
   Spring 1.07 (0.22 – 5.22)
   Summer 4.39 (1.15 – 16.81)
   Fall 2.88 (0.94 – 8.84)
Age of building (ref. <= 20 years)  
   > 20 years 2.01 (0.88 – 4.60)
Traffic jam in area (ref. Rarely)  
   Often/Always 4.59 (1.61 – 13.06)
Use hot tap water for cooking (ref. No)  
   Yes 3.96 (1.17 – 13.44)
Ever applied kohl on child (ref. No)  
   Yes 2.40 (0.92 – 6.28)
  1. (n = 244; χ2 (8 degrees of freedom)= 45.76; P < 0.001)