Table 1. Model fit statistics for work ability score trajectory models (n=53 479).

No. of trajectories	1	2	1	2	3	4	5
No. of parameters	3	6	2	4	6	8	10
Polynomial order	2	22*	1	11	111	1111	11 111
BIC	−325187.8	−314456.5	325 182.4	−307800.7	−300392.8	−297402.3	−295581.0
Akaike Information Criteria	−325170.0	−314420.9	−325169.1	−307774.0	−300352.8	−297349.0	−295514.3
Log-likelihood	−325166.0	−314412.9	−325166.1	−307768.0	−300343.8	−297337.0	−295499.3
Average posterior probabilities	1	–	1	0.89/0.97	0.91/0.93/0.85	0.91/0.90/0.82/0.87	0.89/0.79/0.75/0.89/0.87
Smallest group	100%	50%	100%	17%	12%	4%	3%
2×∆BIC (Bayes factor)		–		34 763.4	14 815.8	5981	3642.6
Relative entropy		–		0.84	0.81	0.80	0.79

The selected/chosen model is highlighted in bold.

^*The trajectory model ‘2 2’ had false convergence. Average posterior probabilities, Bayes factor, or relative entropy are not calculated.

BICBayesian Information Criteria