Variables

Number of children (%)

Values (arithmetic mean ± standard deviation)

Values (geometric mean)

Blood lead level

Ø  By references

• ≥ 100 μg/L

50 (50)

138.45 ± 36.33

134.4

• 50-100 μg/L

43 (43)

70.57 ± 14.40

69.28

• < 50 μg/L

7 (7)

43.62 ± 8.10

43.32

Ø  By sex

·         Male

50 (50)

102.40 ± 44.80

93.4

·         Female

50 (50)

103.05 ± 48.19

93.67

Ø  By age group

• 0-6

10 (10)

139.90 ± 33.50

136.93

• 7-8

27 (27)

120.80 ± 59.62

108.45

• 9-10

23 (23)

87.70 ± 43.10

80.3

• 11-12

17 (17)

94.63 ± 22.85

92.34

• 13-14

13 (13)

74.73 ± 28.91

69.9

• 15-17

10 (10)

103.14 ± 54.44

92.51

Ø  By distance from house and road with high traffic

• 0-5 m

10 (10)

68.27 ± 23.76

65.67

• 6-20 m

20 (20)

72.39 ± 22.06

69.77

• 21-50 m

10 (10)

130.57 ± 90.62

104.15

• 51-100 m

17 (17)

107.93 ± 33.91

103.44

• > 100 m

43 (43)

116.22 ± 42.89

108.99

Urinary lead level (μg/L)

100 (100)

5.1 ± 4.45

3.7

ALAD (mg/g of créatinin)

100 (100)

2.45 ± 1.53

1.77

• < 4 mg/g

83 (83)

1.95 ± 1.14

1.45

• ≥ 4 mg/g

17 (17)

4.95 ± 1.07

4.9