Table 2 Comparison of vaccination coverage estimates (%; 95% CI) between the two KVB datasets, the dataset for AOK insured children in the reduced KVB cohort and the validation data set for two different vaccinations at different children's ages.
From: Vaccination coverage in children can be estimated from health insurance data
Vaccination coverage (%) | |||||
|---|---|---|---|---|---|
DTPPolioHibHep | |||||
Data Set | N | MMR 1st dose at 2 y | 1st dose at 3 months | Full primed at 1 y | Full immunized at 2 y |
Original KVB dataset | 196,732 | 60.4 | 14.6 | 45.7 | 40.4 |
60.2–60.7 | 14.4–14.8 | 45.5–45.9 | 40.2–40.7 | ||
Reduced KVB dataset | 111,977 | 75.4 | 22.3 | 67.5 | 56.0 |
75.1–75.6 | 22.1–22.6 | 67.0–67.6 | 55.7–56.3 | ||
Subset of the reduced KVB data set (AOK Bavaria insured only) | 44,755 | 77.2 | 24.1 | 70.5 | 57.7 |
76.8–77.6 | 23.7–24.5 | 70.1–71.0 | 57.3–58.2 | ||
Validation data set | 40,645 | 76.0 | 23.1 | 68.8 | 56.6 |
75.5–76.4 | 22.7–23.5 | 68.3–69.2 | 56.1–57.1 | ||