Table 1.

Baseline clinical characteristics of the study cohort

Clinical characteristicsTotal, n= 294Male, n= 63Female, n= 231
Baseline symptom severity (PHQ-15 score), mean (SD)11.5 (4.9)11.0 (5.0)11.7 (4.9)
Symptom duration (%)
  <1 year63 (21)14 (22)49 (21)
  ≥1 year212 (72)43 (68)169 (73)
  Missing19 (6)6 (9)13 (6)
SF-12 score, mean (SD)
  Physical health functioninga43.8 (10.6)42.9 (10.6)44.1 (10.6)
  Mental health functioning39.6 (11.0)41.0 (11.1)39.2 (11.0)
Work and social adjustment score, mean (SD)18.7 (11.5)19.1 (11.5)18.5 (11.5)
  Missing606
Self-efficacy score, mean (SD)27.4 (7.4)27.4 (7.2)27.4 (7.4)
  Missing404
Anxiety score, mean (SD)8.9 (5.8)8.2 (5.8)9.0 (5.7)
Depression score, mean (SD)9 (5–14)9 (4–14)9 (5–14)
Panic (PHQ-PD) (%)
  Yes62 (21)12 (19)50 (22)
  No204 (69)43 (68)161 (70)
  Missing28 (10)8 (13)20 (9)
Stressful life events, median (IQR)1 (0–2)1 (1–3)1 (0–2)
  Missing312
Experienced physical illness in the family as a child (%)
  Yes94 (32)23 (37)71 (31)
  No194 (66)39 (62)155 (67)
  Missing6 (2)1 (2)5 (2)
Experienced mental illness in the family as a child (%)
  Yes47 (16)5 (8)42 (18)
  No242 (82)57 (90)185 (80)
  Missing5 (2)1 (2)4 (2)
Experienced ≥1 traumatic event as a child (%)
  Yes93 (32)17 (27)76 (33)
  No192 (65)43 (68)149 (65)
  Missing9 (3)3 (5)6 (3)
Experienced any abuse as a child (%)
  Yes77 (26)16 (25)61 (26)
  No204 (69)46 (73)158 (68)
  Missing13 (4)1 (2)12 (5)
Type of abuse experienced as a child (%)b
  Physical abuse
    Yes31 (11)8 (13)23 (10)
    No253 (86)54 (86)199 (86)
    Missing10 (3)1 (2)9 (4)
  Sexual abuse
    Yes25 (9)2 (3)23 (10)
    No259 (78)60 (95)199 (86)
    Missing10 (3)1 (2)9 (4)
  Emotional abuse
    Yes59 (20)13 (22)46 (20)
    No225 (77)49 (78)176 (76)
    Missing10 (3)1 (2)9 (4)
  • a Missing data for one male participant.

  • b Possible to tick more than one type of abuse. IQR = interquartile range. PHQ-PD = Patient Health Questionnaire Panic Disorder. PHQ-15 = Patient Health Questionnaire Somatic Symptom Module. SD = standard deviation. SF-12 = Short Form health questionnaire.