Table 1.

AIC for each parametric model fitted to each transition separately (to determine the “AIC” model)

Model	Transition 1	Transition 2	Transition 3	Transition 4	Transition 5
Exponential	1229.7	3428.9	1482.3	691.6	328.7
Weibull	1208.6	3363.2	1425.9	692.5	330.0
Gompertz	1230.1	3430.1	1475.6	693.4	328.4
Log-logistic	1193.8	3204.2	1389.6	687.4	328.2
Log-normal	1175.7	3182.6	1374.7	686.6	328.0
Generalised gamma	1141.9	3047.6	1361.0	687.3	325.0
R-P DF=2	1168.1	3163.1	1367.3	687.7	327.1
R-P DF=3	1141.5	3081.4	1367.0	687.9	328.3
R-P DF=4	1136.8	3072.5	1361.0	689.1	328.7
R-P DF=5	1138.5	3070.3	1363.3	690.8	330.3

R-P = Royston-Parmar, DF = Degrees of freedom