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. 2019 Jul 9;12:523–529. doi: 10.2147/PRBM.S212648

Table 2.

Descriptive statistics of independent variables and by suicidal attempt

Variable (# missing cases) Total sample Suicide attempt
All Boys Girls All Boys Girls
N (%) % (95% CI) % (95% CI) % (95% CI) % (95% CI) % (95% CI)
Socio-demographics
All 4,274 16.6 (14.1, 19.4) 12.2 (9.0, 16.4) 20.2 (16.9, 23.9)
Sex (#84)
 Female 2,170 (50.6)
 Male 2,120 (49.4)
Age in years (#55)
 13 or less 1,106 (28.6) 27.6 (20.7, 35.9) 28.6 (21.7, 36.8) 18.7 (14.9, 23.1) 15.0 (9.6, 22.6) 22.7 (16.3, 30.8)
 14 1,278 (27.8) 26.1 (20.6, 32.5) 29.9 (25.2, 35.1) 16.1 (14.9, 21.3) 14.2 (8.7, 22.4) 17.1 (11.6, 24.5)
 15 1,249 (25.8) 26.1 (21.6, 32.5) 26.4 (22.1, 31.2) 16.5 (12.4, 21.5) 11.2 (6.4, 18.9) 22.2 (16.7, 28.9)
 16 or more 686 (17.7) 20.1 (12.5, 30.8) 15.1 (7.6, 27.7) 12.6 (7.6, 20.0) 6.3 (2.4, 15.5) 18.4 (7.6, 38.1)
Hunger (#56)
 Never 1,660 (62.4) 59.6 (55.4, 63.8) 65.4 (58.6, 71.6) 14.3 (12.2, 16.7) 10.7 (7.4, 15.2) 17.1 (14.5, 19.9)
 Rarely 1,069 (22.5) 26.0 (22.4, 29.9) 19.0 (15.2, 23.5) 17.7 (11.9, 25.4) 11.1 (6.1, 19.3) 26.1 (19.1, 34.6)
 Sometimes/mostly/always 589 (15.0) 14.4 (10.5, 19.4) 15.6 (10.4, 22.8) 24.7 (17.5, 33.5) 20.5 (11.2, 34.5) 25.8 (16.4, 38.2)
Internalizing problems
No close friends (#116) 386 (7.1) 8.0 (5.9, 11.0) 6.0 (4.5, 8.0) 29.8 (22.0, 38.9) 25.2 (14.0, 41.1) 32.1 (18.1, 50.3)
Loneliness (#67) 447 (8.9) 5.3 (3.8, 7.3) 12.5 (10.2, 15.3) 50.5 (38.1, 62.7) 42.9 (23.9, 64.3) 52.8 (41.3, 63.9)
Anxiety (#151) 360 (7.1) 5.0 (3.5, 7.1) 8.9 (6.8, 11.7) 37.1 (26.4, 49.1) 23.5 (14.0, 36.6) 38.7 (21.7, 59.0)
Suicidal ideation (#184) 869 (18.0) 13.1 (9.7, 17.8) 22.6 (19.2, 26.6) 49.3 (42.7, 56.0) 39.8 (30.8, 49.5) 54.3 (44.8, 63.5)
Suicide plan (#158) 700 (13.7) 10.2 (8.3, 12.4) 17.4 (14.3, 20.8) 52.8 (41.5, 63.8) 40.4 (21.3, 63.1) 58.9 (49.0, 68.0)
Externalizing probems
Current alcohol use (#102) 953 (18.3) 19.8 (15.3, 25.2) 16.2 (12.9, 20.2) 30.2 (22.1, 39.7) 21.8 (12.8, 34.7) 36.0 (28.6, 44.1)
Current cannabis use (#197) 322 (4.1) 5.7 (4.0, 8.1) 2.6 (1.7, 3.8) 41.7 (24.7, 61.0) 34.0 (17.8, 54.9) 59.8 (33.7, 81.4)
Ever amphetamine use (#192) 170 (3.4) 4.7 (3.1, 7.0) 1.6 (0.9, 2.9) 60.9 (42.9, 76.5) 55.2 (36.1, 72.8) 76.9 (54.9, 90.1)
Ever sex (#472) 797 (19.7) 28.5 (23.1, 34.6) 10.2 (7.7, 13.3) 20.1 (13.7, 28.5) 16.4 (9.8, 26.1) 27.5 (18.0, 39.7)
Soft drinks (2 or more/day) (#26) 1,418 (28.0) 28.4 (22.8, 34.7) 28.6 (22.0, 36.3) 19.8 (15.6, 24.8) 15.7 (11.0, 22.1) 24.5 (17.1, 33.7)
Bullied (#294) 884 (23.9) 26.7 (21.8, 32.2) 20.8 (18.0, 23.9) 24.5 (17.6, 32.9) 19.7 (11.9, 31.0) 29.2 (19.3, 41.6)
Attacked (#56) 1,067 (23.9) 27.7 (23.4, 32.4) 19.3 (15.6, 23.5) 26.6 (20.8, 33.5) 23.1 (15.4, 33.0) 29.3 (20.7, 39.7)
In physical fight (#46) 1,114 (22.8) 30.9 (27.1, 35.0) 14.1 (11.4, 17.3) 22.1 (15.9, 29.8) 16.0 (10.4, 23.9) 31.6 (21.2, 44.2)
Injury (#26) 1,481 (31.8) 36.9 (32.3, 41.8) 26.3 (21.6, 31.5) 22.0 (17.5, 27.3) 17.0 (11.5, 24.3) 26.2 (19.5, 34.2)

Abbreviation: CI, confidence interval.