NRS: numerical rating scale. β : partial regression coefficient of
hair arsenic (μg/g). OR: odds ratio. CI: confidence interval.
a Adjusted for age and education.
b Adjusted for age, village, occupational exposure
history, and arsenic-related skin lesions.
c Adjusted for age, frequency of bath, temperature of
bath water, and use of cleansing product.
d Adjusted for age, allergy to certain substances and
cough.
e Adjusted for significant covariates including age,
village, occupational exposure history, arsenic-related skin lesions,
frequency of bath, temperature of bath water, use of cleansing product,
allergy to certain substances, cough.