... term, and as a cost-utility ana-lysis with incremental costs per quality adjusted life years (QALYs) gained as the clinical endpoint. For the latter, health-related quality of life, will be assessedwith ... for the other variables, including baseline values of the dependent variable as a covariate in all analyses. Weshall use implicit and explicit cognitive measures andstress measures (daily hassles) ... of Clinical Psychology of the Vrije Universiteit, Amsterdam, The Netherlands.8Mental Health Care Center Arkin/PuntP, Amsterdam, The Netherlands.9Department of Psychiatry, University of Pennsylvania,...