Risk factors of renal dysfunction and their interaction in level-low lead exposure paint workers

BMC Public Health

Table 2 Univariate analysis of the risk factors of renal dysfunction in paint workers

	Number of subjects	Number of renal dysfunction	Prevalence of renal dysfunction	χ2	P vaule
Age (years)				5.850	0.054
< 25	149	13	8.72
25~	411	48	11.68
37~ 59	187	32	17.11
Gender				0.003	0.959
Male	706	88	12.46
Female	41	5	12.20
Work year (years)				12.146	0.002
< 2	195	13	6.67	Reference
2~	381	48	12.60	4.793	0.029
9~ 32	171	32	18.71	12.261	0.000
Smoke				0.265	0.607
Yes	356	42	11.80
No	391	51	13.04
Drink				0.106	0.745
Yes	414	53	12.80
No	333	40	12.01
Wear mask				0.254	0.881
Never	41	6	14.36
Occasionally	170	20	11.76
Frequently	536	67	12.50
Wash hands before meals				1.383	0.501
Never	50	7	14.00
Occasionally	215	22	10.23
Frequently	482	64	13.28
Blood pressure				8.119	0.017
Low-normal blood pressure	509	56	11.00	Reference
High-normal blood pressure	185	24	12.97	0.517	0.472
Hypertension	53	13	24.53	8.154	0.004
Blood lead				15.298	0.000
Negative	677	74	10.93
Positive	70	19	27.14

ISSN: 1471-2458