Personal carbon monoxide exposure, respiratory symptoms, and the potentially modifying roles of sex and HIV infection in rural Uganda: a cohort study

Table 6 Correlates of self-reported respiratory symptoms, stratified by HIV serostatus

Characteristic	HIV Positive (202 sampling periods)		HIV Negative (218 sampling periods)
Characteristic	Adjusted OR	95% CI	Adjusted OR	95% CI
Female sex	1.9	0.8, 4.3	11.2^***	3.3, 38.0
1-h CO > 35 ppm	2.5^*	1.0, 6.0	1.4	0.1, 14.4
Smoking status
Current	2.6	0.6, 11.3	0.9	0.1, 5.0
Former	0.8	0.3, 2.0	1.3	0.6, 3.2

Reference categories: sex - male; HIV serostatus - negative; smoking - never-smoker; biomass – firewood
p value for CO x HIV interaction term = 0.42
OR Odds ratio, CI Confidence interval, HIV Human immunodeficiency virus, CO Carbon monoxide, ppm Parts per million
^*p < 0.05
***p < 0.001

ISSN: 1476-069X