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Table 5 Comparison of non-occupational sources of lead exposure between exposed and control groupsa

From: The relationship between blood lead levels and occupational exposure in a pregnant population

Potential source of lead exposure

Exposed group (n = 31)

Control group (n = 268)

p value*

Washing the workwear together with other clothes

12 (38.7)

123 (45.9)

0.447

Use of lead glazed pottery

10 (32.3)

81 (30.2)

0.816

Dyeing hair

27 (87.1)

172 (64.2)

0.010

Living near workplaces where lead is used

22 (71.0)

139 (51.9)

0.043

Living near mining zone

4 (12.9)

25 (9.3)

0.752

Living near battery workshop

7 (22.6)

43 (16.0)

0.356

Living near junkyard

4 (12.9)

30 (11.2)

0.777

Living near rubbish dump

3 (9.7)

39 (14.6)

0.641

Living near straightening and painting workshop

7 (22.6)

45 (16.8)

0.421

Pica behavior

10 (32.3)

62 (23.1)

0.261

Living with someone who works with lead

16 (51.6)

101 (37.7)

0.133

  1. aValues shown as frequency (percentage)
  2. *p value from Chi-square test