. 2021 Oct 22;12(4):689–694. doi: 10.1016/j.jaim.2021.06.020

Table 1.

Workers' socio–demographic profile (n = 20).

S. No.	Socio-demographic variables		N (%)
1.	Age (yrs.)	Mean ± S.D	42.5 ± 7.4
		Range	18–67
		44–56 years	10 (50%)
		31–43 years	9 (45%)
2.	Sex	Male	20 (100%)
2.	Sex	Female	0 (0%)
3.	Religion	Hindu	19 (95%)
3.	Religion	Muslim	1 (5%)
4.	Education	Illiterate	4 (20%)
4.	Education	Literate	16 (80%)
5.	Working units	Casting	11 (55%)
5.	Working units	Machining	9 (45%)
6.	Types of diet	Vegetarian	13 (65%)
6.	Types of diet	Mixed	7 (35%)
7.	Dietary Habits	Regular	12 (60%)
7.	Dietary Habits	Irregular	8 (40%)
8.	Appetite	Poor	18 (90%)
8.	Appetite	Moderate	2 (10%)
9.	Copper (μg/dL) (n = 16)	Mean ± S.D	153.31 ± 19.98
9.	Copper (μg/dL) (n = 16)	Range	70–140 μg/dL
10.	Zinc (μg/dL) (n = 16)	Mean ± S.D	72.31 ± 9.01
10.	Zinc (μg/dL) (n = 16)	Range	80–120 μg/dL
11.	Lead (μg/dL) (n = 16)	Mean ± S.D	49.23 ± 21.77
11.	Lead (μg/dL) (n = 16)	Range	>30 μg/dL