Table 4 Comparison of exposure group and control for member retention. Number of individuals in each group represented as a count. P-value for difference calculated from unpaired Welch’s T-test
Variable | Exposure Baseline | Exposure at 12 months | Change in exposure group | Control at Baseline | Control at 12 months | Change in control group | Difference between control and exposure | 95% CI and P value |
|---|---|---|---|---|---|---|---|---|
Member retention (%) | 1834 (count) | 1636 (count) | 89.2% retention | 129,320 (count) | 111,018 (count) | 85.9% retention | 3.62% | < 0.01 (1.92, 4.79) |