Table 3.

Proportion of Children Aged 2 to 17 Years at Intervention Sites Vaccinated Against Influenza by Intervention Year and by Sex, Race, and Age

Vaccination Rate (%)
VariablePreintervention (n = 2,438)Intervention Year 1 (n = 2,935)Intervention Year 2 (n = 3,311)P Value
* Analysis of variance for the binary outcome.
Preintervention year = 2001–2002; intervention year 1 = October 2002–February 2003; intervention year 2 = October 2003–February 2004.
Sex
    Male10.712.018.4<.001
    Female11.414.918.8<.001
    Unknown14.610.022.6.015
Race
    Black9.912.119.6<.001
    White/other17.918.125.7.001
    Unknown10.511.116.5<.001
Age, years
    2–614.314.019.0.002
    7–1210.412.720.7<.001
    13–178.69.515.8<.001
Type of practice
    Pediatric residency11.212.518.1<.001
    Family medicine residencies4.28.127.0.002
    Faith-based health centers16.718.231.0.020
Total10.413.118.7<.001