Characteristic Univariate Analysis Multivariate
  OR 95% CI p-value OR 95% CI p-value
Age, years     <0.01     0.01
30-40 Ref.     Ref.    
>40-50 1.21 0.55-2.66 0.64 1.33 0.57-3.14 0.51
>50 3.41 1.51-7.69 <0.01 3.40 1.42-8.17 0.01
             
Gender            
Female Ref.          
Male 1.61 0.90-2.86 0.11 - - -
             
Duration of cigarette smoking (Years)     0.09      
< 1 Ref          
1-20 0.94 0.37-2.36 0.89 - - -
>20 3.69 1.13-11.59 0.03 - - -
             
Duration of biomass exposure (years)     0.20      
<1 Ref          
1-20 0.91 0.47-1.75 0.70 - - -
20 1.93 0.88-4.22 0.10 - - -
             
History of PTB            
No Ref.          
Yes 0.76 0.40-1.47 0.42 - - -
             
On ART            
No Ref.     -    
Yes 1.85 0.37-9.44 0.46 - - -
Current CD4 T-cell count, cells/µl            
≥200 Ref     Ref   0.09
<200 2.53 1.14- 5.63 0.02 2.17 0.88 – 5.36  
Current HIV Viral Load            
Undetectable Ref.     -    
Detectable 0.97 0.52-1.83 0.93 - - -
PTB- Pulmonary Tuberculosis; ART- Antiretroviral therapy; OR-Odds ratio
Table 4: Univariate and multivariate logistic regression models of factors associated with Chronic Obstructive Pulmonary Disease among HIV-infected adults at the Jos University Teaching Hospital HIV Clinic (May 2013-March 2014)
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