Table 2 Lists of outcome measures

  Health-related quality of life

Short-form health survey (SF-36), mental component summary score [39]

  Health-related quality of life

Short-form health survey (SF-36), physical component summary score [39], EuroQol-5D (EQ-5D) [40]

  Depressive symptoms

Patient Health Questionnaire – Depression Module (PHQ-9) [41]

  Anxiety symptoms

Patient Health Questionnaire – Generalized Anxiety Disorder Module (GAD-7) [42]

  Somatoform symptoms

Somatic Symptom Scale – 8 (SSS-8) [43]

  Alcohol consumption

Alcohol Use Disorders Identification Test (AUDIT) [44]

  Schizophrenic symptoms

Eppendorfer Schizophrenia Inventory – Short Version (ESI-K) [45]

  Adjustment disorder-symptoms

Adjustment Disorder-New Module 20 (ADNM-20) [46, 47]

  Physical and psychological impact of multiple sclerosis

Multiple Sclerosis Impact Scale (MSIS-29) [48, 49]

  Patient satisfaction with outpatient care

Satisfaction with ambulatory care (ZAPA) [50]

  Direct costs caused by outpatient and inpatient service utilization and medication within one year following diagnosis

Claims data about outpatient and inpatient service utilization and medication

  Indirect costs caused by productivity losses

Days of incapacity to work and sick pay

  Level of detail of depression diagnoses

Claims data about diagnoses (specific: F32.0-F32.3, F33.0-F33.4; unspecific: F32.8, F32.9, F33.8, F33.9)

Aspects of the PNP program

- access

- reasons for participation

- barriers to participation

- advantages and disadvantages of participation

- differences in health care

- appropriateness of compensation

- organizational aspects

- interprofessional cooperation

- evaluation and use of contract components

Questionnaire on structure and process quality of the PNP program, in-house development based on

- qualitative interviews with selected health care providers

- a questionnaire from another project (see [51])