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Table 5 Kaplan-Meier survival curve estimates and 95% CIs at different time points, overall and stratified by race

From: Modelling attrition and nonparticipation in a longitudinal study of prostate cancer

  Product-Limit Estimates of Participation in Wave 2
Time Since Wave 1 (Years) Overall AAa EAa
3.00 1.0 1.0 1.0
4.00 0.766 (0.740–0.789) 0.682 (0.642–0.718) 0.851 (0.819–0.877)
4.64 0.500 (0.469–0.528) 0.502 (0.458–0.544) 0.507 (0.466–0.547)
4.65 0.497 (0.467–0.526) 0.500 (0.456–0.541) 0.506 (0.464–0.545)
4.66 0.493 (0.463–0.522) 0.500 (0.456–0.541) 0.500 (0.457–0.538)
4.70 0.489 (0.459–0.519) 0.499 (0.453–0.539) 0.491 (0.450–0.531)
5.00 0.441 (0.411–0.470) 0.461 (0.417–0.504) 0.434 (0.393–0.474)
6.00 0.325 (0.294–0.356) 0.363 (0.316–0.409) 0.301 (0.261–0.343)
7.00 0.203 (0.173–0.236) 0.214 (0.169–0.262) 0.203 (0.162–0.248)
8.00 0.198 (0.167–0.230) 0.204 (0.160–0.252) 0.203 (0.162–0.248)
  1. aAA african american, EA european american