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Table 2 Frequencies (%) of reported recruitment sources

From: Challenges in recruiting and retaining adolescents with abuse-related posttraumatic stress disorder: lessons learned from a randomized controlled trial

Recruitment sourceaRespondentsp value
All (N = 51b)Adolescents aged 14–17 (n = 25)Young adults aged 18–21 (n = 26)
Internet search22 (43.1)9 (36.0)13 (50.0)0.31c
Study website20 (39.2)10 (40.0)10 (38.5)0.91c
Flyer16 (31.4)10 (40.0)6 (23.1)0.19c
Psychiatrist13 (25.5)8 (32.0)5 (19.2)0.30c
Psychotherapist11 (21.6)6 (24.0)5 (19.2)0.68c
Parent/caregiver10 (19.6)8 (32.0)2 (7.7)0.04d*
Other patients9 (17.6)5 (20.0)4 (15.4)0.73d
Social worker8 (15.7)5 (20.0)3 (11.5)0.47d
Website of respective study site8 (15.7)3 (12.0)5 (19.2)0.70d
Counseling center6 (11.8)2 (8.0)4 (15.4)0.67d
Othere4 (7.8)0 (0)4 (15.4)0.11d
Outpatient clinic4 (7.8)2 (8.0)2 (7.7)1.00d
Psychiatric clinic4 (7.8)3 (12.0)1 (3.8)0.35d
General hospital3 (5.9)2 (8.0)1 (3.8)0.61d
Pediatrician3 (5.9)2 (8.0)1 (3.8)0.61d
Psychosomatic clinic3 (5.9)3 (12.0)0 (0)0.11d
Students’ mailing list3 (5.9)0 (0)3 (11.5)0.24d
Youth welfare office3 (5.9)2 (8.0)1 (3.8)0.61d
Close friende2 (3.9)1 (4.0)1 (3.8)1.00d
General practitioner2 (3.9)1 (4.0)1 (3.8)1.00d
Newspaper article2 (3.9)1 (4.0)1 (3.8)1.00d
Facebook1 (2.0)0 (0)1 (3.8)1.00d
Gynecologist1 (2.0)1 (4.0)0 (0)0.49d
Newspaper advertisement1 (2.0)0 (0)1 (3.8)1.00d
Police department1 (2.0)0 (0)1 (3.8)1.00d
Poster1 (2.0)0 (0)1 (3.8)1.00d
School counselor/school psychologist1 (2.0)1 (4.0)0 (0)0.49d
Teacher1 (2.0)0 (0)1 (3.8)1.00d
Local health office0 (0)0 (0)0 (0)Na
  1. Na not applicable
  2. * p < 0.05
  3. aAssessed with the checklist for recruitment sources (see Additional file 1). bOverall number of respondents was n = 53, but data from n = 2 respondents had to be excluded because of missing information. cCalculated from 2-sided Pearson χ2 test. dCalculated from 2-sided Fisher’s exact test. eCategory added post hoc according to free responses