Crude odds ratios (COR) and adjusted odds ratios (AOR) for association between self-reported systemic health complaints and residence at Cr (VI) contaminated communities.

CI-confidence interval. aChi-square test was used to test significance for odds ratio. Control group from reference community is taken as reference category. bAdjusted for age (continuous in years), smoking (yes/no) and education status (Illiterate/primary/high school/graduation & above). cAdjusted for age (continuous in years), smoking (yes/no), education status (Illiterate/primary/high school/graduation & above) and diet (veg/non-veg). dAdjusted for age (continuous in years), smoking (yes/no), education status (Illiterate/primary/high school/graduation & above), self-reported allergy and asthma. eAdjusted for age (continuous in years), smoking (yes/no), education status (Illiterate/primary/high school/graduation & above) and self-reported diabetes. *p<0.05, **p<0.01, *** p<0.001.