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Table 2 Environmental characteristics

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

Environmental characteristics

N

Median BLL (IQR)

P-value

Reconstruction in 6 month

no

29

8.5 (5.7–23.6)

0.326

yes

1

25 (NA)

Building painting in 6 month

no

26

8.7 (5.8–23.6)

0.807

yes

4

15.1 (5.5–28.9)

Industrial zone

no

15

6.2 (5.3–12.9)

0.038

yes

15

16.4 (6.8–27.1)

Building’s paint type

Oil

26

8.8 (5.8–24.2)

0.737

Plastic (acrylic)

4

7.5 (5.3–25.1)

Building’s Pipe material

Metal

14

12.1 (6–25.9)

0.352

Non-metal

15

6.8 (5.5–12.9)

both

1

25 (NA)

Habit of excessive Spice consumption in family

No

28

9 (5.9–24.7)

0.157

Yes

2

5.7 (NA)

both

1

25 (NA)

Spice Packaging

Hygiene Pack

6

24.1 (6.7–26.9)

0.280

Bulk-sale

16

7.9 (5.6–14.5)

Both

8

7.6 (5.2–28.9)

Residence duration

0–3 y

18

8.7 (6.1–24.4)

0.990

4–6 y

5

6.2 (5.5–44.1)

>  7 y

7

11.2 (5.2–25)