Skip to main content

Table 5 Multivariate analysis of factors possibly associated with lack of control and severity of asthma among the individuals studied

From: Dual exposure to smoking and household air pollution is associated with an increased risk of severe asthma in adults in Brazil

Factors Control Severity
β OR 95% IC β OR 95% IC
Age 0.010 1.010 0.999–1.021 0.079 1.082 1.069– 1.096
Feminine gender 0.428 1.534 1.017–2.315
Exposure to tobacco 0.759 2.136 1.198–3.809
Exposure to household pollution 0.561 1.753 1.202–2.557 0.377 1.457 1.038–2.046
Doubly exposed to smoking and household pollution 0.709 2.031 1.260–3.273 0.461 1.586 0.980–2.567
  1. Adjusted for age in years, gender, exposure only to cigarette smoking, exposure only to household pollution, doubly exposed to smoking and household pollution, relation cotinine/creatinine ratio (≥ 196.98 μg/g)