Table 3 Interrupted time series analysis: monthly blood examination rates pre/post-basic health care package introduction
Cohort | Pre-BHC trend (per year) Rate Ratio (95% CI); p value | Step change at BHC introduction Rate ratio (95% CI); p value | Post-BHC trend (per year) Rate ratio (95% CI); p value | p value for change in trenda |
|---|---|---|---|---|
1 | 0.60 (0.52,0.69); < 0.0001 | 2.28 (1.97,2.64); < 0.0001 | 1.08 (1.01,1.16); 0.03 | < 0.0001 |
2 | 0.40 (0.31,0.53); < 0.0001 | 5.38 (3.96,7.32); < 0.0001 | 1.01 (0.87,1.18); 0.86 | < 0.0001 |
3 | 0.99 (0.83,1.17); 0.91 | 1.71 (1.41,2.08); < 0.0001 | 1.03 (0.88,1.22); 0.71 | 0.51 |
4 | 0.76 (0.66,0.86); < 0.0001 | 1.10 (0.96,1.26); 0.16 | 0.89 (0.82,0.96); 0.002 | 0.01 |