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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