Table 1 Teacher and student demographics
From: Mental health first aid training for high school teachers: a cluster randomized trial
Characteristics | Intervention group | Control group | Total |
|---|---|---|---|
Teachers n | 221 | 106 | 327 |
Gender n (%): | Â | Â | Â |
   Male | 78 (35.3) | 36 (34.0) | 114 (34.9) |
   Female | 143 (64.7) | 70 (66.0) | 213 (65.1) |
Time working in schools n (%): | Â | Â | Â |
   Less than 3 years | 24 (10.9) | 4 (3.9) | 28 (8.6) |
   3-5 years | 30 (13.6) | 13 (12.5) | 43 (13.2) |
   6-10 years | 28 (12.7) | 13 (12.5) | 41 (12.6) |
   11-15 years | 22 (10) | 7 (6.7) | 29 (8.9) |
   16-20 years | 22 (10) | 14 (13.5) | 36 (11.1) |
   More than 20 years | 95 (43) | 53 (51) | 148 (45.5) |
Time working in current school n (%): | Â | Â | Â |
   Less than 1 year | 34 (15.4) | 15 (14.4) | 49 (15.1) |
   1-2 years | 34 (15.4) | 16 (15.4) | 50 (15.4) |
   3-5 years | 54 (24.4) | 18 (17.3) | 72 (22.2) |
   6-10 years | 53 (24.0) | 26 (25.0) | 79 (24.3) |
   11-15 years | 21 (9.5) | 15 (14.4) | 36 (11.1) |
   16-20 years | 10 (4.5) | 5 (4.8) | 15 (4.6) |
   More than 20 years | 15 (6.8) | 9 (8.7) | 24 (7.4) |
Main role in school n (%): | Â | Â | Â |
   Leadership | 38 (17.4) | 28 (27.2) | 66 (20.5) |
   Classroom teacher | 146 (66.7) | 58 (56.3) | 204 (63.4) |
   Student welfare/counsellor | 15 (6.9) | 6 (5.8) | 21 (6.5) |
   Support officer (SSO) | 14 (6.4) | 7 (6.8) | 21 (6.5) |
   Other | 6 (2.7) | 4 (3.9) | 10 (3.1) |
Teaching subjects n (%): | Â | Â | Â |
   Arts | 40 (18.1) | 16 (15.1) | 56 (17.1) |
   English | 61 (27.6) | 29 (27.4) | 90 (27.5) |
   Technology | 30 (13.6) | 11 (10.4) | 41 (12.5) |
   Language other than English | 10 (4.5) | 7 (6.6) | 17 (5.2) |
   Studies of Society and Environment | 57 (25.8) | 32 (30.2) | 89 (27.2) |
   Science | 44 (19.9) | 20 (18.9) | 64 (19.6) |
   Physical Education | 30 (13.6) | 19 (17.9) | 49 (15.0) |
   Mathematics | 49 (22.2) | 24 (22.6) | 73 (22.3) |
Students n | 982 | 651 | 1,633 |
Gender n (%): | Â | Â | Â |
   Male | 451 (46.2) | 295 (45.6) | 746 (46.0) |
   Female | 525 (53.8) | 352 (54.4) | 877 (54.0) |
Age n (%): | Â | Â | Â |
   12 | 75 (7.7) | 36 (5.6) | 111 (6.9) |
   13 | 363 (37.4) | 256 (39.9) | 619 (38.4) |
   14 | 317 (32.7) | 220 (34.3) | 537 (33.3) |
   15 | 215 (22.2) | 130 (20.3) | 345 (21.4) |
Grade n (%): | Â | Â | Â |
   7 | 31 (3.2) | 8 (1.2) | 39 (2.4) |
   8 | 403 (41.3) | 293 (45.2) | 696 (42.8) |
   9 | 308 (31.6) | 208 (32.1) | 516 (31.8) |
   10 | 234 (24.0) | 140 (21.6) | 374 (23.0) |
Language spoken at home n (%): | Â | Â | Â |
   English | 901 (92.2) | 591 (91.2) | 1,492 (91.8) |
   Another language | 10 (1.0) | 12 (1.9) | 22 (1.4) |
   English and another language | 66 (6.8) | 45 (6.9) | 111 (6.8) |