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Comparison of the invited group and the control groups, rate ratio, 95% CI, and p-value.
| Groups and combination | Rate ratio | 95% CI, lower/upper | p |
|---|---|---|---|
| Invited group versus combined control groups | 1.52 | 1.06–2.19 | 0.024 |
| Invited group versus control group 1 | 1.16 | 0.77–1.75 | 0.469 |
| Invited group versus control group 2 | 2.10 | 1.31–3.37 | 0.002 |
CI confidence interval.
