Research Article

Asthma Control and Its Relationship with Obstructive Sleep Apnea (OSA) in Older Adults

Table 7

Multivariate associations of severe asthma (step 3 or 4) with OSA (clinically-diagnosed and untreated) and other traditional factors of asthma control, in the older and younger asthma subjects.

Older ( )Younger ( )
Odds ratio [95% confidence interval]P valueOdds ratio [95% confidence interval]P value

OSA 6.67 [1.74–25.56]0.0062.61 [1.28–5.33]0.008
Age1.06 [0.98–1.14]0.171.01 [0.99–1.02]0.45
Gender (female versus male)1.32 [0.61–2.86]0.491.48 [1.03–2.11]0.04
BMI (categorized)1.06 [0.68–1.65]0.811.49 [1.20–1.84]0.0003
African-American (versus all others) 1.89 [0.27–13.24]0.524.26 [1.89–9.59]0.0005
Rhinitis0.40 [0.12–1.28]0.120.45 [0.25–0.81]0.007
Chronic sinusitis0.38 [0.16–0.91]0.030.81 [0.54–1.22]0.31
Nasal polyps1.73 [0.60–4.96]0.311.32 [0.78–2.23]0.30
GERD1.35 [0.67–2.71]0.411.30 [0.91–1.85]0.16
Psychiatric disease1.68 [0.65–4.33]0.281.05 [0.72–1.54]0.81

Definition of abbreviations: OSA: obstructive sleep apnea; BMI: body mass index (kg/m2); GERD: gastroesophageal reflux disease.