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Effects of Intervention on Influenza Vaccination Rates Among Black Students
| Intervention Type | IC1, n/N (%) | RR (95% CI) | IC2, n/N (%) | RR (95% CI) |
|---|---|---|---|---|
| School-based county | 64/355 (18) | 1.1 (0.80–1.61) | 110/360 (31) | 2.0 (1.41–2.71)a |
| Provider-based county | 45/283 (16) | 40/256 (16) |
CI indicates confidence interval.
P < .0001.
