eTable 1. Percentages of insurance holders in the index population using sectors of care/specialties during care, 2005 to 2007.

Sector of care/specialty	Percentage of insurance holders in index population* (%)
Primary care physician/specialist in somatic medicine in private practice	93.1
Psychiatrist/psychotherapist/neurologist in private practice	52.7
Specialist in psychosomatic medicine and psychotherapy in private practice	10.5
Psychotherapist in private practice	3.7
Inpatient psychiatric department	12.4
Inpatient psychosomatic department	1.4
Department of somatic medicine	0.7

^*Multiple cases for a single insurance holder permissible