Table 1.
Summary of practice population from end of season cohort.
| Variables | Vaccination status (cohort) | |||
| EHR-DMa | EPSb | |||
| Number of practices | 6 | 3 | ||
| Age group (years) |
|
|
||
|
|
<5 |
|
|
|
|
|
|
n (%) | 1097 (2.41) | 535 (2.07) |
|
|
|
LCIc, % | 2.27 | 1.90 |
|
|
|
UCId, % | 2.55 | 2.24 |
|
|
5-14 |
|
|
|
|
|
|
n (%) | 4725 (10.38) | 2638 (10.19) |
|
|
|
LCI, % | 10.10 | 9.82 |
|
|
|
UCI, % | 10.66 | 10.56 |
|
|
15-64 |
|
|
|
|
|
|
n (%) | 29,855 (65.59) | 16,129 (62.30) |
|
|
|
LCI, % | 65.15 | 61.71 |
|
|
|
UCI, % | 66.03 | 62.89 |
|
|
65+ |
|
|
|
|
|
|
n (%) | 9842 (21.62) | 6586 (25.44) |
|
|
|
LCI, % | 21.64 | 24.91 |
|
|
|
UCI, % | 22.00 | 25.97 |
| Gender |
|
|
||
|
|
Male |
|
|
|
|
|
|
n (%) | 23,035 (50.64) | 12,853 (49.65) |
|
|
|
LCI, % | 50.19 | 49.04 |
|
|
|
UCI, % | 51.10 | 50.26 |
|
|
Female |
|
|
|
|
|
|
n (%) | 22,466 (49.36) | 13,035 (50.35) |
|
|
|
LCI, % | 48.90 | 49.74 |
|
|
|
UCI, % | 49.81 | 50.96 |
| Risk group |
|
|
||
|
|
Specific risk group |
|
|
|
|
|
|
n (%) | 18,403 (40.43) | 11,703 (45.21) |
|
|
|
LCI, % | 39.98 | 44.60 |
|
|
|
UCI, % | 40.88 | 45.81 |
aEHR-DM: electronic health record data mining.
bEPS: enhanced passive surveillance.
cLCI: lower confidence interval.
dUCI: upper confidence interval.