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Table 2 Timeliness of surveillance reporting pre and post training

From: Use of technology for public health surveillance reporting: opportunities, challenges and lessons learnt from Kenya

  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    2247    357
P value    < 0.0001    < 0.0001
  1. The difference between the change of 21% in the intervention group and 7% in the comparison group is 14% and part of this can be attributed to the intervention