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Table 1 Demographic and clinical characteristics

From: Environmental assessment of pediatric Lead exposure in Tehran; a prospective cross-sectional study

Demographic and clinical characteristics N Median BLL (IQR) P-value
Sex F 19 8.9 (6.2–24) 0.698
M 11 6.9 (5.5–25
Age <  4 y 11 6.9 (5.9–30.6) 0.842
4–7 y 6 11 (6.4–19.1)
>  7 y 13 8.9 (5.3–23.6)
Stature-age Severely stunted 2 7.2 (NA) 0.295
stunted 1 30.6 (NA)
Normal 27 8.9 (5.5–24)
BMI-age Severely underweight 1 5.3 (NA) 0.71
Underweight 6 5.8 (5.1–6.8)
Normal 17 12.9 (6.5–26.3)
Moderately overweight 3 23.2 (NA)
Overweight 3 9.2 (NA)
Pica no 23 8.5 (5.9–25) 0.787
yes 5 23.2 (5.3–27.5)
Food allergy no 25 8.5 (5.5–20.2) 0.277
yes 5 23.2 (6.2–45.3)
Restlessness no 28 8.7 (5.9–23.8) 1
yes 2 25 (NA)
Family history of lead poisoning no 25 6.9 (5.5–14) 0.008
yes 5 27.1 (20.2–29.7)
Addiction in father no 25 6.9 (5.7–24.5) 0.867
yes 5 8.9 (6.8–21.7)