Primary outcome subjective prognosis of work ability over the course of time.

<p>SPE scale with a range of 0–3 (a higher score indicates a higher risk for work disability or early retirement); ANCOVA with SPE score at baseline (start aftercare) and indication as covariate at the end of aftercare (1) and at follow-up (2); (1) F_[1,606] = 2.38, p = .12, d = 0.11; (2) F_[1,606] = 4.8, p = .03, d = 0.18.