Table 3.
Vaccinated, n (%) |
||||
---|---|---|---|---|
Characteristic | Baseline (n = 35,534) | Active Intervention (n = 42,168) | Maintenance (n = 44,923) | P** |
Age group | ||||
<2 y | 3,124 (73.7) | 3,882 (77.4) | 4,758 (72.9) | .110 |
2–8 y | 9,094 (54.7) | 12,670 (64.3) | 13,107 (65.6) | <.001 |
9–18 y | 5,663 (38.6)† | 8,614 (49.4)† | 9,586 (52.0)† | <.001 |
Sex | ||||
Female | 8,759 (49.8) | 12,263 (59.1) | 13,474 (61.0) | <.001 |
Male | 9,122 (50.8) | 12,903 (60.2)‡ | 13,977 (61.2) | <.001 |
Race | ||||
Nonwhite | 2,497 (38.4) | 6,435 (58.4) | 6,518 (56.4) | <.001 |
White | 15,384 (53.0)† | 18,731 (60.1)§ | 20,933 (62.7)† | <.001 |
Health insurance | ||||
Self- or publicly insured | 4,439 (40.3) | 9,417 (58.2) | 9,903 (56.5) | <.001 |
Commercially insured | 13,442 (54.8)† | 15,749 (60.6)† | 17,548 (64.1)† | <.001 |
Overall | 17,881 (50.3) | 25,166 (59.7) | 27,451 (61.1) | <.001 |
Baseline indicates July 2010 to February 2011; active intervention, July 2011 to February 2012; and maintenance, July 2012 to February 2013.
P value for difference across the 3 time periods by Cochran-Armitage trend test.
P < .001 within intervention year across demographic groups, by chi-square test.
P < .05 within intervention year across demographic groups, by chi-square test.
P < .01 within intervention year across demographic groups, by chi-square test.