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Table 3 Multivariable analysis of factors associated to air flow limitation and chronic obstructive lung disease

From: Prevalence of obstructive lung disease in an African country using definitions from different international guidelines: a community based cross-sectional survey

Factors AFL–LLN COPD–LLN
Adjusted OR (95 % CI) p value Adjusted OR (95 % CI) p value
Sex
 Female 1   1  
 Male 1.93 (1.00–3.73) 0.049 2.42 (1.12–5.20) 0.024
Age group, years
 19–39 1   1  
 40–59 1.99 (1.04–3.81) 0.037 1.33 (0.57–3.09) 0.504
 ≥60 2.16 (0.79–5.92) 0.134 2.52 (0.82–7.73) 0.106
Tobacco smoking
 Non smokers 1   / /
 Current smoker 1.86 (0.84–4.07) 0.124 / /
 Ex-smokers 0.81(0.26–2.52) 0.713 / /
HIV infection
 No 1   / /
 Yes 3.94 (0.47–33.21) 0.208 / /
 Don’t know 1.62 (0.85–3.06) 0.140 / /
Lifetime wheezing
 No 1   1  
 Yes 2.65 (1.13–6.20) 0.024 2.88 (1.06–7.81) 0.037
  1. TB tuberculosis, HIV human immunodeficiency virus, AFL air flow limitation, COPD chronic obstructive pulmonary disease, LLN lower limit of normal, OR odd’s ration, CI confidence interval