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Table 2 Overview of operationalization and measurement instruments

From: Influence of established and subjectively perceived as well as evaluated individual characteristics on the utilization of mental health services among individuals with depressive disorders: protocol of a longitudinal study examining how to supplement the “behavioral model of health services use” and on need-congruent use of mental health services

  predictors (n = 17)
  Established individual characteristics (n = 10) Subjectively perceived and evaluated individual characteristics (n = 7)
Predisposing (1) age
(2) family status
(3) sex
(4) migration background
depression beliefs: IPQ-Brief [42, 44]
(1) identity
(2) time course
(3) consequences
(4) personal control
(5) treatment control
(6) coherence
Enabling (5) socioeconomic status: SES-Index, [28]
(6) health insurance
(7) GP
barriers (descriptive): checklist according to the World Mental Health Survey [45], SELFI [48,49,50], SSOSH [46]
Need (8) Subjective health: SF-8 [29,30,31]
(9) depressivity: DIA-X-12/M-CIDI [24, 25]
(10) risk of mental comorbidity index [23, 34,35,36,37,38,39,40,41]
(7) perceived need for care: GUPI [51]
  Outcome (n = 1)
Health service use mental health service use according to DEGS [53]