| Any symptom | Cold/flu/infection | Nausea/vomiting | Abdominal cramping | Headache | |||||
---|---|---|---|---|---|---|---|---|---|---|
 | Crude OR | aOR | Crude OR | aOR | Crude OR | aOR | Crude OR | aOR | Crude OR | aOR |
(95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | (95% CI) | |
Water arsenic | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Q4 (High) | 2.69 (1.90–3.81) | 2.11 (1.42–3.13) | 0.82 (0.54–1.25) | 0.71 (0.45–1.14) | 2.19 (1.58–3.02) | 1.81 (1.26–2.60) | 2.34 (1.69–3.24) | 1.62 (1.13–2.32) | 1.16 (0.84–1.61) | 1.11 (0.77–1.90) |
 Q3 | 2.20 (1.56, 3.09) | 1.83 (1.25–2.69) | 0.98 (0.65–1.48) | 0.88 (0.55–1.39) | 1.78 (1.29–2.47) | 1.52 (1.05–2.18) | 1.86 (1.34–2.58) | 1.31 (0.91–1.88) | 0.93 (0.66–1.29) | 0.86 (0.59–1.25) |
 Q2 | 0.58 (0.42–0.78) | 0.62 (0.44–0.88) | 1.16 (0.79–1.72) | 1.30 (0.85–1.99) | 0.86 (0.62–1.21) | 0.98 (0.68–1.41) | 0.54 (0.38–0.77) | 0.55 (0.37–0.81) | 0.71 (0.51–1.00) | 0.77 (0.53–1.10) |
 Q1 (Low) | 1.0 Ref | 1.0 Ref | 1.0 Ref | 1.0 Ref | 1.0 Ref | 1.0 Ref | 1.0 Ref | 1.0 Ref | 1.0 Ref | 1.0 Ref |
Test for trend | <0.0001 | <0.0001 | 0.42 | 0.08 | <0.0001 | 0.001 | <0.0001 | <0.0001 | 0.04 | 0.19 |