R Rugulies et al. American Journal of Epidemiology (2006) Vol. 163#10 p 877 – 887
“Psychosocial Work Environment and Incidence of Severe Depressive Symptoms: Prospective Findings from a 5-Year Follow-up of the Danish Work Environment Cohort Study”
A very high proportion of the cohort were not in work at the end of the 5 year period.