A prospective cohort study of the association between drinking water arsenic exposure and self-reported maternal health symptoms during pregnancy in Bangladesh

Table 4 Association between arsenic exposure categorized above/below 50 μg/l and self-reported symptoms during pregnancy in 1,262 women recruited in Bangladesh from multiple logistic regression models (2008–2011)

	Any symptom		Cold/flu/infection		Nausea/vomiting		Abdominal cramping		Severe headache
	Crude OR	Adjusted OR	Crude OR	Adjusted OR	Crude OR	Adjusted OR	Crude OR	Adjusted OR	Crude OR	Adjusted OR
	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)	(95% CI)
Water arsenic
Above 50 μg/L	2.76 (1.98, 3.83)	2.11 (1.47, 3.02)	0.87 (0.60, 1.26)	0.78 (0.52, 1.16)	1.85 (1.40, 2.43)	1.47 (1.09, 1.98)	2.19 (1.63, 2.94)	1.79 (1.31, 2.45)	1.34 (1.01, 1.78)	1.25 (0.92, 1.71)
Below 50 μg/L	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0	1.0

Adjusted models include age, BMI, second-hand smoke exposure, maternal educational status, parity, anemia status, ferritin status, type of sanitation used at home, use of herbal remedy or medication, and household income.

ISSN: 1476-069X