Table 1 Follow-up sample (n = 27)

mean age at onset of dissociative disorder

11.7 years (SD = 2.54; min = 6; max = 17)

mean age at diagnosis of dissociative disorder

12.6 years (SD = 2.71; min = 8; max = 17)

mean age at follow-up

24.8 years (SD = 5.4; min = 18; max = 36)

mean length of follow-up period

12.4 years (SD = 4.9; min = 2; max = 19)

socioeconomic class ¹ (according to the professional status of the parents)

low:

56%

middle:

28%

upper:

16%

Dissociative symptoms ¹

anaesthesia and sensory loss:

41%

motor disorders:

41%

convulsions:

33%

amnesia:

11%

trance and possession disorder:

4%

multiple dissociative symptoms: (mixed dissociative disorder)

33%

co-existing symptoms ¹

somatoform symptoms:

30%

anxiety:

30%

aggressive behaviour:

22%

parasuicidal tendencies:

19%

motor tics:

19%

depression:

11%

substance related problems:

11%

school refusal:

11%

treatment before consulting our department

inpatient:

15%

outpatient:

7%

treatment at our department

inpatient:

70%

outpatient:

30%

predominately analytical:

59%

predominately family therapy:

41%

predominately behaviour therapy:

19%

additional psychopharmacological treatment:

15%

terminating treatment against medical advice:

5%

treatment outcome at our department

recovered or markedly reduced symptoms:

89%

no or little improvement:

11%