Table 3

Secondary and exploratory participant-reported outcomes at each timepoint, presented by allocated group

Gateway conditional caution
(n=109)
Usual process
(n=82)
SF-12 mental component
 Week 4
 Number with data, n (%)57 (52.3)36 (43.9)
  Mean (SD)42.4 (12.0)43.5 (9.7)
  Median (IQR)43.6 (35.7, 53.1)43.8 (36.8, 51.9)
  Min, Max15.1, 58.822.1, 58.8
 Week 16
 Number with data, n (%)54 (49.5)39 (47.6)
  Mean (SD)47.7 (7.6)45.0 (9.1)
  Median (IQR)47.7 (41.7, 54.6)45.8 (38.7, 52.7)
  Min, Max34.3, 58.820.7, 58.1
 Year 1
 Number with data, n (%)27 (24.8)16 (19.5)
  Mean (SD)47.5 (7.5)46.1 (8.6)
  Median (IQR)47.7 (39.5, 54.6)47.5 (44.4, 51.8)
  Min, Max34.3, 58.820.7, 58.1
SF-12 physical component
 Week 4
 Number with data, n (%)57 (52.3)36 (43.9)
  Mean (SD)54.5 (5.3)52.8 (6.7)
  Median (IQR)55.5 (53.7, 57.4)55.2 (51.2, 56.8)
  Min, Max36.8, 63.930.8, 59.2
 Week 16
 Number with data, n (%)54 (49.5)39 (47.6)
  Mean (SD)52.5 (6.4)53.4 (5.7)
  Median (IQR)54.5 (51.7, 56.0)55.2 (52.4, 56.9)
  Min, Max26.1, 59.438.0, 60.1
 Year 1
 Number with data, n (%)27 (24.8)16 (19.5)
  Mean (SD)51.9 (7.9)53.5 (6.3)
  Median (IQR)54.5 (51.7, 56.5)55.3 (52.5, 58.2)
  Min, Max26.1, 59.438.0, 58.9
AUDIT
 Week 4
 Number with data, n (%)57 (52.3)36 (43.9)
  Mean (SD)12.9 (9.2)11.2 (7.5)
  Median (IQR)11 (5, 19)10.5 (5.5, 16.5)
  Min, Max0, 340, 28
 Week 16
 Number with data, n (%)54 (49.5)39 (47.6)
  Mean (SD)11.6 (8.1)11.6 (8.7)
  Median (IQR)9.5 (5, 15)10 (4, 16)
  Min, Max0, 320, 36
 Year 1
 Number with data, n (%)27 (24.8)16 (19.5)
  Mean (SD)11.1 (8.5)13.3 (8.3)
  Median (IQR)8 (5, 20)12.5 (8, 17)
  Min, Max0, 301, 30
ADIS
 Week 4
 Number with data, n (%)57 (52.3)36 (43.9)
  Mean (SD)46.9 (33.6)45.1 (36.5)
  Median (IQR)38 (25, 59)37.5 (12, 76.5)
  Min, Max0, 1370, 111
 Week 16
 Number with data, n (%)54 (49.5)39 (47.6)
  Mean (SD)40.9 (36.3)37.2 (38.2)
  Median (IQR)36.5 (15, 52)31 (0, 67)
  Min, Max0, 1370, 111
 Year 1
 Number with data, n (%)27 (24.8)16 (19.5)
  Mean (SD)48.7 (36.1)50.5 (39.0)
  Median (IQR)40 (23, 68)38.5 (20.5, 86)
  Min, Max0, 1340, 111
Accommodation status (exploratory), n (%)
 Week 4
 Number with data, n (%)57 (52.3)36 (43.9)
  Homeless8 (14.0)3 (8.3)
  Not homeless49 (86.0)33 (91.7)
 Year 1, n (%)
 Number with data, n (%)27 (24.8)15 (18.3)
  Homeless3 (11.1)0 (0)
  Not homeless24 (88.9)15 (100)
  • ADIS, Adolescent Drug Involvement Scale; AUDIT, Alcohol Use Disorders Identification Test; SF-12, Short Form-12.