TABLE 2—
Associations Between Age, Gender, Race/Ethnicity, and School Location and 2-Dose Varicella Vaccine Coverage Among New York City Public School Students: 2010–2011 School Year
| Variable | Crude PD (95% CI) | Adjusted PD (95% CI) |
| Age, 1-y increase | −2.57 (−2.62, −2.52) | −2.72 (−2.77, −2.67) |
| Male gender | −1.31 (−1.71, −0.91) | −0.98 (−1.36, −0.61) |
| Race/ethnicitya | ||
| Asian/Pacific Islander | 13.91 (13.27, 14.55) | 14.36 (13.71, 15.00) |
| Non-Hispanic Black | 14.15 (13.54, 14.76) | 14.70 (14.08, 15.31) |
| Hispanic | 15.70 (15.12, 16.28) | 15.05 (14.46, 15.64) |
| Other | 14.59 (12.51, 16.67) | 10.57 (8.59, 12.55) |
| Non-Hispanic White (Ref) | . . . | . . . |
| Location | ||
| Brooklyn | 19.23 (18.34, 20.12) | 11.60 (10.70, 12.49) |
| Bronx | 11.51 (10.77, 12.25) | 8.98 (8.24, 9.72) |
| Manhattan | 17.77 (16.68, 18.86) | 13.35 (12.32, 14.38) |
| Queens | 9.50 (8.76, 10.24) | 4.18 (3.44, 4.92) |
| Staten Island (Ref) | . . . | . . . |
Note. CI = confidence interval; PD = prevalence difference. Sample size for crude PD, n = 223 864; for adjusted PD, n = 223 780. The Wald procedure was used to estimate 95% CIs.
a
Excluding 84 students with missing race/ethnicity data.