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Table 1 Demographics and clinical characteristics of the analysis sample (N = 90)

From: Psychometric evaluation of a screening question for persistent depressive disorder

Demographics n (%)
Sex (female) 46 (51)
Married and cohabiting 24 (27)
Higher secondary school qualifying for university 30 (33)
Employed 51 (57)
Day clinic patients 72 (80)
  mean (SD / range)
Age (years) 41.67 (13.70/19–64)
Use of health care resources in past 12 months
 nights spent as an inpatient in a clinical facility 12.41 (24.05)
 visits to a psychiatrist/neurologist 3.82 (5.67)
 visits to a psychotherapist 6.35 (9.97)
Diagnoses n (%)
 PDD 58 (64)
  persistent depressive episode 17 (19)
  with intermittent depressive episodes, with current episode 39 (43)
  with intermittent depressive episodes without current episode 1 (1)
  with pure dysthymic syndrome 1 (1)
 Recurrent depressive disorder 27 (30)
  with current depressive episode 23 (26)
  currently in partial remission 4 (4)
 First depressive episode 3 (3)
 Other 2 (2)
  severe anxiety disorder 1 (1)
  recent suicide attempt 1 (1)
 Up to five depressive episodes in their lifetime 58 (64)
 Early onset of depression (before age of 21) 50 (56)
  mean (SD)
 Number of depressive episodes 8.93 (15.83)
 Depression severity  
  HRDS-6 10.58 (4.44) *
  QIDS-SR 15.14 (5.77) *
  1. Note. SD standard deviation. * The average severity of depression can be rated as moderate