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Original Research

Urbanization and Daily Exposure to Biomass Fuel Smoke Both Contribute to Chronic Bronchitis Risk in a Population with Low Prevalence of Daily Tobacco Smoking

Catherine H. MieleDivision of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USAView further author information

Devan JaganathDivision of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA;Program in Global Disease Epidemiology and Control, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USAView further author information

J. Jaime MirandaCRONICAS Center of Excellence for Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, Peru;Departamento de Medicina, Escuela de Medicina, Universidad Peruana Cayetano Heredia, Lima, PeruView further author information

Antonio Bernabe-OrtizCRONICAS Center of Excellence for Chronic Diseases, Universidad Peruana Cayetano Heredia, Lima, PeruView further author information

Robert H. GilmanProgram in Global Disease Epidemiology and Control, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USAView further author information

Caroline M. JohnsonProgram in Global Disease Epidemiology and Control, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USAView further author information

Gregory B. DietteDivision of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USAView further author information

Robert A. WiseDivision of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USAView further author information

William CheckleyDivision of Pulmonary and Critical Care, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA;Program in Global Disease Epidemiology and Control, Department of International Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USACorrespondence[email protected]
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& The CRONICAS Cohort Study Group show all

Figures & data

Table 1. Description of study site characteristics and environmental exposures

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Table 2. Characteristics chronic bronchitis and non-chronic bronchitis in 2947 subjects

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Table 3. Characteristics of chronic bronchitis vs. non-chronic bronchitis among participants with chronic obstructive pulmonary disease (post-bronchodilator FEV₁/FVC <LLN)

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Table 4. Measured exposures and respiratory disease prevalence by study site

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Figure 1. Differences in prevalence of COPD (defined as post-bronchodilator FEV₁/FVC < LLN) and chronic bronchitis (defined as phlegm production for ≥ 3 months in 2 successive years) stratified by site.

Figure 1. Differences in prevalence of COPD (defined as post-bronchodilator FEV1/FVC < LLN) and chronic bronchitis (defined as phlegm production for ≥ 3 months in 2 successive years) stratified by site.

Table 5. Post-bronchodilator lung function values stratified by disease phenotype

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Table 6. Single and multivariable regression of factors associated with prevalence of chronic bronchitis in Peru

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Urbanization and Daily Exposure to Biomass Fuel Smoke Both Contribute to Chronic Bronchitis Risk in a Population with Low Prevalence of Daily Tobacco Smoking

Table 1. Description of study site characteristics and environmental exposures

Table 2. Characteristics chronic bronchitis and non-chronic bronchitis in 2947 subjects

Table 3. Characteristics of chronic bronchitis vs. non-chronic bronchitis among participants with chronic obstructive pulmonary disease (post-bronchodilator FEV₁/FVC <LLN)

Table 4. Measured exposures and respiratory disease prevalence by study site

Table 5. Post-bronchodilator lung function values stratified by disease phenotype

Table 6. Single and multivariable regression of factors associated with prevalence of chronic bronchitis in Peru

ICOP_A_1067765_SUPP.docx

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Urbanization and Daily Exposure to Biomass Fuel Smoke Both Contribute to Chronic Bronchitis Risk in a Population with Low Prevalence of Daily Tobacco Smoking

Figures & data

Table 1. Description of study site characteristics and environmental exposures

Table 2. Characteristics chronic bronchitis and non-chronic bronchitis in 2947 subjects

Table 3. Characteristics of chronic bronchitis vs. non-chronic bronchitis among participants with chronic obstructive pulmonary disease (post-bronchodilator FEV1/FVC <LLN)

Table 4. Measured exposures and respiratory disease prevalence by study site

Table 5. Post-bronchodilator lung function values stratified by disease phenotype

Table 6. Single and multivariable regression of factors associated with prevalence of chronic bronchitis in Peru

ICOP_A_1067765_SUPP.docx

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Table 3. Characteristics of chronic bronchitis vs. non-chronic bronchitis among participants with chronic obstructive pulmonary disease (post-bronchodilator FEV₁/FVC <LLN)