Table 5.
Comparison of non-occupational sources of lead exposure between exposed and control groupsa
| 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 |
aValues shown as frequency (percentage)
* p value from Chi-square test