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Table 3 Multivariate analysis assessing the relationship between different variables and probability of persistence

From: Patient’s awareness on COPD is the strongest predictor of persistence and adherence in treatment-naïve patients in real life: a prospective cohort study

Variables RR CI 95% p value
Health related quality of life
 Activity 0.972 0.934–1.011 0.161
 Total 0.945 0.894–0.998 0.041
Awareness about COPD severity and chronicity
 No 1.00   
 Yes 2.672 1.125–6.349 0.026
Visits to GP    
  > 6 months 1.00   
  ≤ 6 months 3.107 1.022–9.446 0.046
Smoking behaviour
 Current 1.00   
 Former and never smoker 2.515 1.010–6.260 0.048
Inhaler device type
 Other device 1.00   
 Multi DPI 0.341 0.133–0.877 0.026