Table 2.

Results from the multiple linear regression analysis on the association between blood lead and risk factors

Risk factor	Coefficient β	95% CI	p
Washing the workwear together with other clothes	0.106	- 0.018 – 0.229	0.093
Use of lead glazed pottery	0.033	- 0.102 – 0.168	0.634
Dyeing hair	- 0.016	- 0.147 – 0.115	0.813
Living near workplaces where lead is used	- 0.021	- 0.197 – 0.156	0.818
Living near mining zone	0.237	0.006 – 0.468	0.044
Living near battery workshop	- 0.016	- 0.209 – 0.177	0.869
Living near junkyard	- 0.079	- 0.284 – 0.127	0.452
Living near rubbish dump	0.141	- 0.060 – 0.342	0.169
Living near straightening and painting workshop	0.023	- 0.172 – 0.218	0.819
Pica behavior	0.115	- 0.032 – 0.261	0.124
Living with someone who works with lead	0.056	- 0.071 – 0.183	0.387
Living near painting store	0.081	- 0.167 – 0.329	0.521
Living near printing office	- 0.120	- 0.441 – 0.201	0.461
Working in places where lead is used	0.306	0.103 – 0.509	0.003

R2 = 0.082