Table 1. Predicted probabilities (with 95% confidence intervals) of calving for a second time by Age at First Calving (AFC) class (months).

AFC	Predicted Probability	95% Confidence Interval
21	0.829	0.811–0.848
22	0.837	0.826–0.848
23	0.825	0.818–0.833
24	0.826	0.820–0.832
25	0.817	0.812–0.822
26	0.807	0.802–0.812
27	0.804	0.798–0.809
28	0.793	0.787–0.798
29	0.785	0.780–0.791
30	0.782	0.776–0.788
31	0.772	0.765–0.778
32	0.762	0.755–0.769
33	0.754	0.746–0.761
34	0.748	0.740–0.756
35	0.737	0.728–0.746
36	0.726	0.717–0.736
37	0.720	0.709–0.731
38	0.699	0.686–0.712
39	0.689	0.673–0.704
40	0.690	0.672–0.707
41	0.666	0.645–0.687
42	0.649	0.626–0.672