Period of time | Group | Total (n) | Number of vaccinations(n) | Vaccination rates(%) | χ2 | P |
---|---|---|---|---|---|---|
Before intervention | the experimental groupa | 769 | 223 | 29.0 | 0.934 | 0.334 |
the control groupb | 769 | 206 | 26.8 | |||
After intervention | the experimental group | 769 | 352 | 45.8 | 55.703 | < 0.001 |
the control group | 769 | 211 | 27.4 |