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Table 2 Factors associated with suboptimal controller use and inappropriate use of relievers

From: Extent, trends, and determinants of controller/reliever balance in mild asthma: a 14-year population-based study

  Controller to total medications < 50% Inappropriate SABA use
Group Variable Odds Ratio 95% CI P value Odds Ratio 95% CI P value
(Lower, Upper) (Lower, Upper)
Socio-demographic Sex (female = 1) 0.97 0.95–0.99 <.0003 0.78 0.76–0.81 <.0003
Higher SES 0.97 0.97–0.98 <.0001 0.98 0.97–0.98 <.0001
Year 0.99 0.98–1.00 <.0001 0.96 0.96–0.97 <.0001
Age 0.81 0.81–0.82 <.0001 0.9 0.89–0.91 <.0001
Asthma treatment variables Asthma-related hospitalization 1.63 1.51–1.76 <.0001 0.99 0.83–01.18 0.9222
Asthma-related outpatient visit 0.95 0.94–0.96 <.0001 0.89 0.88–0.91 <.0001
Oral corticosteroid 1.28 1.25–1.30 <.0001 0.4 0.38–0.41 <.0001
Severity of Asthma 1.18 1.16–1.20 <.0001 3.6 3.52–3.69 <.0001
Comorbidity-related variables Modified Charlson score 1.11 1.09–1.12 <.0001 0.98 0.96–1.00 0.1033
None asthma related hospitalization 1.01 1.00–1.02 0.0009 1.01 1.00–1.03 0.0789
None asthma related outpatient visit 1.00 1.00–1.00 <.0001 1.00 1.00–1.00 0.0137
Type & quality of care Having received pulmonary function test 0.95 0.92–0.97 <.0003 0.87 0.82–0.92 <.0001
Respirologist consultation 0.57 0.54–0.59 <.0001 0.54 049–0.60 <.0001
Internal medicine consultation 0.98 0.93–1.03 0.5501 0.74 0.67–0.81 0.0014
General Practitioner Asthma visit 0.67 0.66–0.68 <.0001 1.16 1.12–1.19 <.0001
Continuity of care (COC)       
COC = 0  
COC > 0 and COC < 50% 0.84 0.82–0.86 <.0001 0.76 0.74–0.79 <.0001
COC > =50% and OC < 100% 0.86 0.84–0.88 <.0001 0.84 0.80–0.88 0.0014
COC = 100% 0.86 0.83–0.83 <.0001 0.85 0.80–0.90 <.0001
  1. SABA short-acting beta agonist, SES socio-economic status, CI confidence interval