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Table 3 Crude and adjusted risk of COPD (OR and 95% confidence interval)

From: Case-finding of chronic obstructive pulmonary disease with questionnaire, peak flow measurements and spirometry: a cross-sectional study

Variable Bivariate Adjusted
Male gender 1.05 (0.61-1.89) 0.93 (0.41-1.70)
Age in years   
 40-49 yrs. 1 1
 50-59 yrs. 1.67 (0.95-2.93) 1.66 (0.94-2.95)
 60-69 yrs. 1.70 (0.76-3.83) 1.60 (0.70-3.66)
 70-80 yrs. 3.34 (0.84-13.28) 4.36 (1.03-18.48)
UAE National 0.76 (0.39-1.43) 0.68 (0.30-1.53)
Education   
 Primary 1 1
 Diploma 0.85 (0.24-2.97) 0.89 (0.25-3.19)
 College 1.17 (0.69-1.99) 1.15 (0.66-2.02)
 Higher Education 0.24 (0.03-1.84) 0.27 (0.03-2.69)
Smoking any 1.04 (0.58-1.87) 1.10 (0.59-2.06)
Cigarette user 1.05 (0.57-1.94)  
Midwakh user 0.92 (0.84-0.95)  
Water pipe user 0.87 (0.11-6.9)  
Other user 3.77 (0.38-37.40)  
Biomass exposure 1.67 (0.84-3.32)  
Occupational exposure 2.16 (1.26-3.68) 2.07 (1.20-3.59)
Respiratory infection in childhood 1.37 (0.45-4.12)  
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