Table 1

Participant characteristics presented by allocated group, for all randomised participants and all randomised participants who provided a valid WEMWBS score for at least one timepoint

Randomised participants (n=191)Provided valid WEMWBS for at least one timepoint
(n=108)
Gateway conditional caution (n=109)Usual process
(n=82)
Total
(n=191)
Gateway conditional caution (n=64)Usual process
(n=44)
Total
(n=108)
Age at randomisation
Number with data, n (%)105 (96.3)78 (95.1)183 (95.8)64 (100)44 (100)108 (100)
 Mean (SD)20.8 (2.0)20.7 (1.9)20.8 (1.9)20.7 (2.0)20.7 (1.7)20.7 (1.9)
 Median (IQR)20.3 (19.3, 22.5)20.4 (19.3, 21.6)20.4 (19.3, 22.0)20.2 (19.0, 22.3)20.5 (19.4, 21.4)20.3 (19.3, 21.6)
 Min, Max18.1, 24.818.1, 24.818.1, 24.818.1, 24.718.1, 24.718.1, 24.7
Gender, n (%)
Number with data, n (%)105 (96.3)78 (95.1)183 (95.8)64 (100)44 (100)108 (100)
 Male87 (82.9)57 (73.1)144 (78.7)51 (79.7)32 (72.7)83 (76.9)
 Female18 (17.1)21 (26.9)39 (21.3)13 (20.3)12 (27.3)25 (23.1)
Marital status, n (%)
Number with data, n (%)66 (60.6)44 (53.7)110 (57.6)64 (100)44 (100)108 (100)
 Single62 (93.9)38 (86.4)100 (90.9)60 (93.8)38 (86.4)98 (90.7)
 Living with partner4 (6.1)5 (11.4)9 (8.2))4 (6.2)5 (11.4)9 (8.3)
 Married0 (0)1 (2.3)1 (0.9)0 (0)1 (2.3)1 (0.9)
Ethnicity, n (%)
Number with data, n (%)104 (95.4)77 (93.9)182 (94.8)63 (98.4)44 (100)108 (100)
 White North European96 (91.4)75 (96.2)170 (93.4)58 (90.6)44 (100)102 (94.4)
 Black5 (4.8)2 (2.6)7 (3.8)3 (4.7)0 (0)3 (2.8)
 Asian2 (1.9)1 (1.3)3 (1.6)1 (1.6)0 (0)1 (0.9)
 White South European1 (1.0)0 (0)1 (0.5)1 (1.6)0 (0)1 (0.9)
Highest level of education, n (%)
Number with data, n (%)66 (60.6)44 (53.7)110 (57.6)64 (100)44 (100)108 (100)
 No qualifications14 (21.2)3 (6.8)17 (15.5)14 (21.9)3 (6.8)17 (15.7)
 1–4 GCSEs20 (30.3)8 (18.2)28 (25.5)20 (31.3)8 (18.2)28 (25.9)
 More than 5 GCSEs13 (19.7)11 (25.0)24 (21.8)13 (20.3)11 (25.0)24 (22.2)
 Apprenticeship2 (3.0)5 (11.4)7 (6.4)2 (3.1)5 (11.4)7 (7.5)
 2 or more A-levels17 (25.8)15 (34.1)32 (29.1)15 (23.4)15 (34.1)30 (27.8)
 Bachelor’s degree or higher0 (0)2 (4.5)2 (1.8)0 (0)2 (4.5)2 (1.9)
IMD quintile (1=most deprived, 5=least deprived), n (%)
Number with data, n (%)94 (86.2)72 (87.8)166 (86.9)58 (90.6)42 (95.5)100 (92.6)
 121 (22.3)20 (27.8)41 (24.7)14 (24.1)14 (33.3)28 (28.0)
 225 (26.6)17 (23.6)42 (25.3)14 (24.1)9 (21.4)23 (23.0)
 315 (16.0)14 (19.4)29 (17.5)9 (15.5)8 (19.0)17 (17.0)
 416 (17.0)7 (9.7)23 (13.9)9 (15.5)4 (9.5)13 (13.0)
 517 (18.1)14 (19.4)31 (18.7)12 (20.7)7 (16.7)19 (19.0)
Entry route, n (%)
Number with data, n (%)105 (96.3)77 (93.9)182 (95.3)64 (100)43 (97.8)107 (99.1)
 Caution93 (88.6)72 (93.5)165 (90.7)57 (89.1)42 (97.7)99 (92.5)
 Prosecution12 (11.4)5 (6.5)17 (9.3)7 (10.9)1 (2.3)8 (7.5)
Total number of RMS incidents involved in 1 year prerandomisation (not including RMS incident that led to study entry)
Number with data, n (%)104 (95.4)77 (93.9)181 (94.8)63 (98.4)44 (100)107 (99.1)
 Mean (SD)10.8 (12.5)12.9 (25.7)11.7 (19.2)9.3 (8.7)9.0 (9.9)9.2 (9.2)
 Median (IQR)7 (3, 13)6 (3, 12)6 (3, 13)6 (3, 13)5 (3, 12)6 (3, 13)
 Min, Max0, 791, 2000, 2000, 351, 380, 38
Total number of RMS incidents leading to charge or caution 1 year prerandomisation (not including charge or caution that led to study entry)
Number with data, n (%)104 (95.4)77 (93.9)181 (94.8)63 (98.4)44 (100)107 (99.1)
 Mean (SD)0.6 (1.0)0.5 (1.3)0.5 (1.1)0.6 (1.0)0.3 (0.6)0.5 (0.9)
 Median (IQR)0 (0, 1)0 (0, 1)0 (0, 1)0 (0, 1)0 (0, 0.5)0 (0, 1)
 Min, Max0, 40, 100, 100, 40, 20, 4
Total number of PNC convictions 1 year prerandomisation
Number with data, n (%)104 (95.4)77 (93.9)181 (94.8)63 (98.4)44 (100)107 (99.1)
 Mean (SD)0.5 (0.8)0.3 (0.5)0.4 (0.7)0.4 (0.7)0.2 (0.5)0.3 (0.6)
 Median (IQR)0 (0, 1)0 (0, 1)0 (0, 1)0 (0, 1)0 (0, 0)0 (0, 0)
 Min, Max0, 30, 20, 30, 20, 20, 2
Involved in RMS incident that led to caution or charge 1 year prerandomisation (not including charge or caution that led to study entry), n (%)
Number with data, n (%)104 (95.4)77 (93.9)181 (94.8)63 (98.4)44 (100)107 (99.1)
 Yes36 (34.6)21 (27.3)57 (31.5)21 (33.3)11 (25.0)32 (29.9)
 No68 (65.4)56 (72.7)124 (68.5)42 (66.7)33 (75.0)75 (70.1)
PNC conviction 1 year prerandomisation, n (%)
Number with data, n (%)104 (95.4)77 (93.9)181 (94.8)63 (98.4)44 (100)107 (99.1)
 Yes31 (29.8)22 (28.6)53 (29.3)16 (25.4)8 (18.2)24 (22.4)
 No73 (70.2)55 (71.4)128 (70.7)47 (74.6)36 (81.8)83 (77.6)
  • IMD, Index of Multiple Deprivation; PNC, police national computer; RMS, record management system; WEMWBS, Warwick-Edinburgh Mental Well-being Scale.