Index suicide attempta | Index NSSI | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
ADHD, n = 66 | No ADHD, n = 600 | χ2 | df | P | ADHD, n = 27 | No ADHD, n = 111 | χ2 | df | P | |
n (%) | n (%) | n (%) | n (%) | |||||||
Methodb | ||||||||||
Poisoningc | 39 (59) | 361 (60) | 0.03 | 1 | .87, ns | 7 (26) | 19 (17) | 1.10 | 1 | .29, ns |
Gassing | 1 (2) | 5 (0.8) | 0.31 | 1 | .58, ns | – | – | – | – | – |
Hanging/strangulation/choking | 8 (12) | 70 (12) | 0.01 | 1 | .91, ns | 2 (7) | 3 (3) | 1.38 | 1 | .24, ns |
Drowning | – | 15 (3) | 1.69 | 1 | .19, ns | – | – | – | – | – |
Cutting | 12 (18) | 105 (18) | 0.02 | 1 | .89, ns | 16 (59) | 79 (71) | 1.44 | 1 | .23, ns |
Jumping | 2 (3) | 21 (4) | 0.04 | 1 | .84, ns | – | – | – | – | – |
Vehicular | 3 (5) | 23 (4) | 0.08 | 1 | .78, ns | – | 1 (0.9) | 0.25 | 1 | .62, ns |
Firearm/explosives | – | 3 (0.5) | 0.33 | 1 | .57, ns | – | – | – | – | – |
Other method | 3 (5) | 15 (3) | 0.95 | 1 | .33, ns | 6 (22) | 15 (14) | 1.28 | 1 | .26, ns |