| Intervention counties | Comparison counties | ||||
---|---|---|---|---|---|---|
 | Number of weekly reports received (a) | Number of expected weekly reports (b) | % Timeliness (a/b ×100) | Number of weekly reports received (c) | Number of expected weekly reports (d) | % Timeliness (c/d ×100) |
before training (15 weeks period) | 8572 | 28,352 | 30% | 11,435 | 36,769 | 31% |
after training (12 weeks period) | 11,490 | 22,579 | 51% | 11,164 | 29,290 | 38% |
Difference before and after training |  |  | 21% (95% CI 20.16–21.84) |  |  | 7% (95% CI 6.27–7.73) |
Chi square | Â | Â | 2247 | Â | Â | 357 |
P value |  |  | < 0.0001 |  |  | < 0.0001 |