Variables	Odds Ratio	95% CI	P Value
Intervention vs. control	1.04	0.58-1.88	0.90
Age	1.02	1.00-1.04	0.04
Index drug class
Asthma (reference)	1.00
Diabetes	1.08	0.35-3.30	0.89
Hypertension	1.81	0.91-3.60	0.09
Lipids	0.84	0.31-2.29	0.73
Charlson score	0.87	0.64-1.17	0.35
Commercial insurance	1.13	0.57-2.23	0.73

CI = confidence interval.