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Volume 30, Number 9—September 2024
Research
Effects of Rotavirus Vaccination Coverage among Infants on Hospital Admission for Gastroenteritis across All Age Groups, Japan, 2011–2019
Table 2
Generalized estimating equations analyses to estimate the impact of rotavirus vaccination coverage on monthly number of gastroenteritis hospitalizations across all age groups, Japan, 2011–2019*
Vaccination coverage, % | IRR (95% CI) |
|||||||
---|---|---|---|---|---|---|---|---|
Overall, N = 294,108 |
Age-ineligible for vaccination, n = 247,156 |
Immunocompromised, n = 38,058 |
||||||
Crude | Adjusted† | Crude | Adjusted† | Crude | Adjusted† | |||
<40 |
Referent |
Referent |
Referent |
|||||
40–49 |
0.96 (0.95–0.97) |
0.94 (0.93–0.95) |
0.97 (0.96–0.98) |
0.95 (0.94–0.97) |
1.01 (0.97–1.04) |
0.99 (0.95–1.03) |
||
50–59 |
0.97 (0.96–0.98) |
0.94 (0.93–0.96) |
1.01 (0.99–1.02) |
0.98 (0.96–1.00) |
1.04 (1.01–1.08) |
1.03 (0.98–1.07) |
||
60–69 |
0.98 (0.97–0.99) |
0.94 (0.92–0.96) |
1.02 (1.00–1.03) |
0.99 (0.96–1.01) |
1.03 (1.00–1.07) |
1.01 (0.95–1.07) |
||
70–79 |
0.97 (0.96–0.98) |
0.91 (0.89–0.94) |
1.00 (0.99–1.01) |
0.96 (0.93–0.99) |
1.05 (1.02–1.09) |
1.02 (0.95–1.09) |
||
≥80 | 0.94 (0.92–0.95) | 0.87 (0.83–0.90) | 0.95 (0.93–0.96) | 0.90 (0.87–0.94) | 1.06 (1.02–1.11) | 1.02 (0.93–1.12) |
*IRR, incidence rate ratio. †Adjusted for age group, year, and month.
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Page updated: August 13, 2024
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