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Table 3 Correlates of 1-h time weighted average CO exposure > 35 ppm

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

Characteristic Unadjusted Adjusted
Odds Ratio 95% CI Odds Ratio 95% CI
Biomass cooking - charcoal 15.4*** 7.6, 31.5 11.3*** 4.7, 27.4
Kerosene lighting 0.4** 0.2, 0.8 0.9 0.4, 2.0
Cooking distance from homea 1.0 0.9, 1.0   
Trash burning at home 0.6 0.3, 1.3 0.5 0.2, 1.1
Dry Season 0.8 0.4, 1.6   
Smoking 0.8 0.3, 1.9   
Urban residence 3.6*** 1.8, 7.4 1.5 0.6, 3.7
Home ventilationb 0.7*** 0.5, 0.8 0.8 0.7, 1.0
Farmer 0.3** 0.2, 0.7 0.9 0.4, 2.2
  1. Reference categories: biomass - firewood; lighting – electricity, solar, or battery power; season - rainy; residence – rural
  2. CO Carbon monoxide, CI Confidence interval, HIV Human immunodeficiency virus
  3. ** p < 0.01; *** p < 0.001
  4. aper additional meter; b per additional window