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Table 2 Asthma prevalence by HIV and potential confounding factors

From: The impact of HIV on the prevalence of asthma in Uganda: a general population survey

 

n (%)

Prevalence of asthma %

Crude PR (95% CI)

p

Adjusted PRb (95% CI)

p-value

Characteristic

 HIV status

  Infected

103 (5.0)

15.5

1.72 (1.07–2.75)

0.025

1.54 (0.94–2.51)

0.085

  Uninfected

1966 (95.0)

9.1

Reference

 

Reference

 

 Gender

  Female

1275 (61.6)

9.9

1.15 (0.87–1.53)

0.319

1.24 (0.92–1.68)

0.159

  Male

794 (38.4)

8.6

Reference

 

Reference

 

 Smoking

  Yes

168 (8.1)

16.7

1.91 (1.32–2.76)

0.001

1.79 (1.23–2.60)

0.002

  No

1901 (91.9)

8.7

Reference

 

Reference

 

 Biomass use

  Yes

409 (19.8)

14.2

1.74 (1.31–2.32)

< 0.001

1.56 (1.18–2.07)

0.002

  No

1659 (80.2)

8.1

Reference

 

Reference

 

 TB treatment

  Yes

40 (1.9)

22.5

2.46 (1.36–4.45)

0.003

2.20 (1.26–3.84)

0.005

  No

2026 (98.1)

9.1

Reference

 

Reference

 

 Family history of asthma

  Yes

235 (11.4)

23.8

3.16 (2.39–4.18)

< 0.001

2.41 (1.81–3.23)

< 0.001

  No

1832 (88.6)

7.5

Reference

 

Reference

 

 Allergy

  Yes

763 (36.9)

16.0

2.90 (2.20–3.83)

< 0.001

2.45 (1.85–3.26)

< 0.001

  No

1306 (63.1)

5.5

Reference

 

Reference

 

 TB/HIV (HIV infected and history of TB treatment)

  Yes

10 (0.5)

10.0

1.07 (0.17–6.89)

0.946

0.20 (0.02–1.66)

0.135

  No

2059 (99.5)

9.4

Reference

 

Reference

 

Age in yearsa

  

2.09 (1.52–2.88)

< 0.001

1.83 (1.30–2.58)

0.001

  1. alog transformed due to skewness, bAdjusted for age, gender, smoking, biomass smoke exposure, allergy, history of TB and family history of asthma, CI confidence interval, TB tuberculosis, PR prevalence ratio