Cuijpers, P.

depression study cortisol intervention disorder patient health level anxiety cortisol levels symptom association effect score pregnancy women trial depressive panic smoking personality netherland result group scale birthweight panic disorder dysfunctional treatment number factor therapist analyses therapy questionnaire research participant problem analysis status depressive symptoms sample quality condition citation purposes page number psychiatry psychol dsm-iv difference personality traits offspring birthweight response reminiscence table stress session trait variable outcome anxiety disorders amsterdam regression signi regression analyses mdd 5-6 .001 effectiveness cost effectiveness category cortisol level cost-effectiveness icd patients therapist involvement model offspring characteristic people continuum measure