eTABLE 1. Lung Disease Death Classification based on ICD-10 Codes from Verbal Autopsy Procedure ICD-10 Codes Name N C34 I27 J22 J41 J44 J45 J46 J69 J85 J95 Malignant neoplasm of bronchus and lung Pulmonary heart disease Unspecified acute lower respiratory infection Simple and mucopurulent chronic bronchitis Other chronic obstructive pulmonary disease Bronchial asthma Status asthmaticus Pneumonitis due to aspiration of solids and liquids Abscess of lung and mediastinum Postprocedural respiratory disorders 90 16 3 1 99 22 8 4 1 2 Lung Disease Mortality (N=246) x x x x x x x x x x Non-malignant Lung Disease Mortality (N=156) x x x x x x x x x Lung Cancer Mortality (N=90) x eTABLE 2. Multivariate Adjusted Hazard Ratios and 95% CIs for Associations Between Arsenic Exposure and Lung Disease Mortality by Study Cohort Outcome Arsenic Exposure Tertiles P for trend Health Effects of Arsenic Longitudinal Study ≥83.0 Well water arsenic tertiles, μg/L N <14.0 N 14.0-82.9 N 0.060 Lung disease mortality 44 1.00 43 0.92 (0.60–1.40) 84 1.38 (0.95–2.00) 0.051 Non-malignant lung disease mortality 32 1.00 32 0.95 (0.58–1.55) 65 1.47 (0.96–2.27) 0.666 Lung cancer mortality 12 1.00 11 0.85 (0.38–1.93) 19 1.15 (0.55–2.38) Cr-adjusted urinary total arsenic tertiles, μg/g Lung disease mortality Non-malignant lung disease mortality Lung cancer mortality N 43 32 11 <132.5 1.00 1.00 1.00 N 76 54 22 132.5-331.9 1.43 (0.98–2.08) 1.34 (0.86–2.08) 1.76 (0.85–3.66) Bangladesh Vitamin E and Selenium Trial Cr-adjusted urinary total arsenic tertiles, μg/g N <132.5 N 132.5-331.9 Lung disease mortality 15 1.00 19 1.39 (0.71–2.75) Non-malignant lung disease mortality 3 1.00 5 2.18 (0.52–9.25) Lung cancer mortality 12 1.00 14 1.30 (0.60–2.82) HRs adjusted for sex, age, BMI, education, and smoking status. N 52 43 9 ≥332.0 1.63 (1.08–2.46) 1.74 (1.10–2.77) 1.33 (0.54–3.27) 0.019 0.019 0.438 N 41 19 22 ≥332.0 1.22 (0.67–2.23) 2.95 (0.85–10.15) 0.86 (0.42–1.77) 0.627 0.080 0.561 eTABLE 3. Multivariate Adjusted Hazard Ratios and 95% CIs for Associations of Joint Effects Between Arsenic Exposure and Selected Characteristics in relation to Lung Disease Mortality Lung Disease Mortality Additive Interaction: Multiplicative Creatinine-adjusted urinary arsenic, μg/g Characteristic Synergy Index Interaction: Ratio of N <132.5 N 132.5-331.9 N ≥332.0 (95% CI) HRs (95% CI) Female 9 1.00 17 1.72 (0.77–3.87) 29 2.48 (1.17–5.26) 0.95 (0.70–1.29) 0.78 (0.53–1.16) Male 49 2.15 (1.00–4.64) 78 2.99 (1.42–6.30) 64 3.20 (1.51–6.78) Age <38 years Age ≥38 years 3 55 1.00 11.10 (3.46–35.61) 8 87 2.31 (0.61–8.72) 15.77 (4.97–50.08) 8 85 2.43 (0.64–9.15) 17.29 (5.44–54.95) 1.20 (0.99–1.45) 0.85 (0.46–1.56) BMI ≥19.2 BMI <19.2 14 44 1.00 3.64 (1.98–6.71) 20 75 1.82 (0.92–3.60) 4.81 (2.69–8.60) 21 72 2.80 (1.42–5.53) 5.40 (3.02–9.67) 1.03 (0.82–1.29) 0.73 (0.50–1.01) Education >3 years Education ≤3 years 22 36 1.00 0.97 (0.57–1.66) 32 63 1.32 (0.77–2.28) 1.44 (0.88–2.36) 30 63 1.63 (0.93–2.83) 1.61 (0.98–2.65) 1.01 (0.33–3.06) 1.00 (0.71–1.39) Arsenic study cohort Vitamin trial cohort 43 15 1.00 2.39 (1.30–4.40) 76 19 1.44 (0.99–2.10) 3.29 (1.87–5.78) 53 40 1.68 (1.12–2.53) 2.82 (1.78–4.46) 0.88 (0.59–1.30) 0.80 (0.57–1.12) Never smokera Ever smoker 4 45 1.00 2.05 (0.73–5.76) 5 73 1.11 (0.30–4.13) 2.94 (1.06–8.14) 4 60 1.24 (0.31–4.98) 3.13 (1.12–8.74) 1.29 (0.63–2.66) 1.10 (0.53–2.26) No skin lesionsb,c 40 1.00 61 1.38 (0.93–2.06) Skin lesions 18 1.63 (0.91–2.92) 32 2.19 (1.36–3.53) HRs adjusted for sex, age, BMI, education, smoking status, and study cohort. a Presented among males only. b Not adjusted for study cohort. c Missing for 121 participants. 41 51 1.75 (1.13–2.71) 2.06 (1.33–3.20) 0.85 (0.56–1.31) 0.83 (0.60–1.15) eTABLE 4. Multivariate Adjusted Hazard Ratios and 95% CIs for Associations of Joint Effects Between Skin Lesion Status and Selected Characteristics in relation to Lung Disease Mortality Lung Disease Mortality Additive Interaction: Multiplicative Skin lesion status Characteristic Synergy Index Interaction: Ratio of N Absent N Present (95% CI) HRs (95% CI) 33 1.00 22 1.90 (1.07–3.36) Female 0.91 (0.41–2.05) 0.80 (0.43–1.49) 109 1.52 (0.93–2.46) 79 2.29 (1.38–3.79) Male Age <38 years Age ≥38 years 12 130 1.00 8.22 (4.50–15.01) 6 95 2.58 (0.95–6.95) 15.69 (8.43–29.19) 1.67 (1.15–2.43) 0.74 (0.27–2.05) BMI ≥19.2 BMI <19.2 27 115 1.00 3.24 (2.10–4.98) 28 73 2.36 (1.37–4.07) 4.52 (2.82–7.25) 0.98 (0.63–1.52) 0.59 (0.32–1.09) Education >3 years Education ≤3 years 45 97 1.00 1.13 (0.79–1.62) 38 63 1.78 (1.13–2.79) 1.69 (1.12–2.54) 0.76 (0.30–1.93) 0.84 (0.49–1.44) Never smokera Ever smoker 5 104 1.00 3.43 (1.38–8.48) 8 71 2.98 (0.96–9.21) 5.17 (2.04–13.08) 0.95 (0.52–1.73) 0.51 (0.16–1.61) 75 1.00 34 1.74 (1.15–2.65) Cr-adjusted urinary arsenic <208 μg/g 0.96 (0.39–2.38) 67 1.17 (0.84–1.64) 67 1.88 (1.34–2.65) Cr-adjusted urinary arsenic ≥208 μg/g HRs adjusted for sex, age, BMI, education, smoking status, and creatinine-adjusted urinary total arsenic concentration. a Presented among males only. 0.92 (0.54–1.56)