Table I.

Demographic characteristics of the study populations

Parameters	Unexposed group	Exposed group
Total subjects	41	50
Age in years (mean ± SD)	42.15 ± 13.27	43.12 ± 13.19
Sex [N(%)]
Male	27 (65.85)	36 (72.00)
Female	14 (34.15)	14 (28.00)
Occupation [N (%)]
Males	27	36
Cultivation	23 (85.18)	21 (58.33)
Business	0 (0)	5 (13.89)
Daily wage earners	2 (7.41)	3 (8.33)
Service	0 (0)	2 (5.56)
Student	2 (7.41)	3 (8.33)
Unemployed	0 (0)	1 (2.78)
Retired	0 (0)	1 (2.78)
Female	14	14
Housewife	14 (100.00)	14 (100.00)
Smoking Status [N (%)]
Smoker	18 (43.90)	20 (40.00)
Non-smoker	23(56.10)	30 (60.00)
Aresnic content (mean ± SD)
Drinking water (µg/l)	6.92 ± 2.54	218.17 ± 195.23*
Urine (µg/l)	12.52 ± 9.16	473.01 ± 430.91*
Nail (µg/g)	0.49 ± 0.47	4.69 ± 2.98*
Hair	0.31 ± 0.27	3.18 ± 2.39*

^*p<0.0001 (Unpaired two-tailed Mann-Whitney Test)