Table S1B.
Variable | HR | 95% CI | P value | |
---|---|---|---|---|
Fluticasone/salmeterol (1 = yes) | 0.441 | 0.225 | 0.864 | 0.0169 |
Age (continuous) | 1.050 | 0.906 | 1.216 | 0.5170 |
Male (1 = yes) | 0.707 | 0.404 | 1.237 | 0.2248 |
Midwest region* (1 = yes) | 1.321 | 0.633 | 2.755 | 0.4580 |
South region* (1 = yes) | 1.752 | 0.647 | 4.743 | 0.2700 |
Charlson index in pre-index period (continuous) | 1.294 | 0.970 | 1.725 | 0.0792 |
Presence of allergic rhinitis (1 = yes) | 1.104 | 0.622 | 1.962 | 0.7346 |
Number of SABA canisters (continuous) | 1.210 | 1.016 | 1.440 | 0.0324 |
Number of OCS prescriptions (continuous) | 0.957 | 0.756 | 1.212 | 0.7150 |
Number of ICS canisters (continuous) | 0.884 | 0.671 | 1.164 | 0.3796 |
Number of hospital/ED visits for respiratory-related conditions (continuous) | 1.792 | 1.421 | 2.259 | <0.0001 |
Note:
Reference group, East region.
Abbreviations: ED, emergency department; ICS, inhaled corticosteroid; OCS, oral corticosteroid; SABA, short-acting beta agonist; CI, confidence interval; HR, hazards ratio.