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Table 1 Phase III participant characteristics (baseline) by intervention group

From: SAFETEL: a pilot randomised controlled trial to assess the feasibility and acceptability of a safety planning and telephone follow-up intervention to reduce suicidal behaviour

   All
participants (N = 120)
SPI + TAU (N = 80) TAU only (N = 40)
Age (mean, SD)
   36.4 (15.6) 36.1 (16.1) 37.0 (14.8)
Gender ( n , %) Female 75 (62.5) 50 (62.5) 25 (62.5)
Male 44 (36.7) 29 (36.2) 15 (37.5)
Non-binary 1 (0.8) 1 (1.2) 0 (0)
Ethnicity ( n , %) White 116 (96.7) 78 (97.5) 38 (95.0)
Asian 3 (2.5) 2 (2.5) 1 (2.5)
Mixed 1 (0.8) 0 (0) 1 (2.5)
Education ( n , %) 5.1.1.1. School level qualifications
(GCSEs, standard or higher grades, GNVQ, A levels, SVQ levels 1 or 2)
54 (45.0) 39 (48.8) 15 (37.5)
  Further education
Advanced GNVQ, HNC or HND, SVQ levels 3 or 4
34 (28.3) 21 (26.3) 13 (32.5)
  Higher education
Undergraduate, postgraduate, or PhD degree, SVQ level 5, professional qualification
22 (18.3) 14 (17.5) 8 (20.0)
  No qualifications 9 (7.5) 5 (6.2) 4 (10.0)
  Prefer not to say 1 (0.8) 1 (1.2) 0 (0)
Lifetime psychiatric history
 Hospitalised due to mental health problems (n, %) (n = 120) 67 (55.8) 40 (50.0) 27 (67.5)
Lifetime suicidal history
 Has made a suicide attempt (n, %) (n = 120) 113 (94.2) 75 (93.8) 38 (95.0)
 Had an interrupted suicide attempt (n, %) (n = 120) 56 (46.7) 35 (43.8) 21 (52.5)
 Had an aborted suicide attempt (n, %) (n = 120) 55 (45.8) 33 (41.2) 22 (55.0)
 Engaged in NSSI (n, %) (n = 120)
Missing data (n)
61 (51.3)
1
39 (49.4)
1
22 (55.0)
0
 Had a preparatory act taken towards a suicide attempt (n, %) (n = 120) 63 (52.5) 39 (48.8) 24 (60.0)