Table 4 Likelihood of influenza vaccination at the end of the year 1 randomized controlled cluster trial (1/31/2014) using generalized estimating equations, by city
Variable | Pittsburgh | Houston | ||
|---|---|---|---|---|
Odds Ratio (95 % CI) | P Value | Odds Ratio (95 % CI) | P Value | |
Patient level variables | ||||
Female, ref. = male | 1.08 (1.03-1.13) | 0.002 | 0.98 (0.93-1.03) | 0.170 |
Age, years | 1.04 (1.04-1.04) | <0.001 | 1.03 (1.03-1.03) | <0.001 |
White race, ref. = Non-white | 1.16 (1.04-1.30) | 0.007 | -- | -- |
Hispanic ethnicity, ref. = Non-Hispanic | -- | -- | 1.12 (1.08-1.16) | <0.001 |
Medicaid, charity care, uninsured, ref. = Commercial insurance + Medicare | 0.97 (0.89-1.05) | 0.050 | 0.95 (0.88-1.02) | 0.153 |
Site level variables | ||||
Intervention, ref. = Control | 1.00 (0.95-1.05) | 0.950 | 1.06 (1.00-1.13) | 0.048 |
Patients with ≥1 missed opportunities, % | 0.94 (0.94-0.95) | <0.001 | 0.94 (0.94-0.95) | <0.001 |