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Table 3 Influences of comorbid diagnoses of deliberate self-harm and psychiatric disorder at the index poisoning in males and females

From: Injuries prior and subsequent to index poisoning with medication among adolescents: a national study based on Norwegian patient registry

Subject Group Deliberate Self-harm at Index Poisoning Psychiatric Disorder at Index Poisoning
Yes
n (%)
No
n (%)
OR (95% CI) Yes
n (%)
No
n (%)
ORa (95% CI)
Males (N = 353) 120 (34.0) 233 (66.0)   121 (34.3) 232 (65.7)  
Any type of injury or poisoning (S00-T65) (Yes)
 Before the index poisoning 48 (40.0) 71 (30.5) NS 44 (36.4) 75 (32.3) NS
 After the index poisoning 44 (36.7) 85 (36.5) NS 49 (40.5) 80 (34.5) NS
Injuries to the wrist and hand (S60-S69) (Yes)
 Before the index poisoning 17 (14.2) 33 (14.2) NS 23 (19.0) 27 (11.6) NS
 After the index poisoning 14 (11.7) 28 (12.0) NS 20 (16.5) 22 (9.48) NS
Poisoning by medications or other substances (T40-T65) (Yes)
 Before the index poisoning 3 (2.5) 10 (4.3) NS 4 (3.3) 9 (3.9) NS
 After the index poisoning 20 (16.7) 28 (12.0) NS 22 (18.2) 26 (11.2) NS
Other injuries (Yes)
 Before the index poisoning 34 (28.3) 47 (20.2) NS 27 (22.3) 54 (23.3) NS
 After the index poisoning 20 (16.7) 50 (21.5) NS 18 (14.9) 52 (22.4) NS
Deliberate self-harm (X6n) (Yes)
 Before the index poisoning 1 (0.8) 3 (1.3) NS 2 (1.7) 2 (0.9) NS
 After the index poisoning 12 (10.0) 6 (2.6) 4.2 (1.5–11.5) 11 (9.1) 7 (3.0) 3.2 (1.2–8.5)
Comorbid psychiatric disorder (Fn) (Yes)
 Before the index poisoning 2 (1.7) 7 (3.0) NS 3 (2.5) 6 (2.6) NS
 After the index poisoning 12 (10.0) 15 (6.4) NS 19 (15.7) 8 (3.5) 5.2 (2.2–12.3)
Females(N = 1144) 548 (47.9) 596 (52.1)   387 (33.8) 757 (66.2)  
Any type of injury or poisoning (S00-T65) (Yes)
 Before the index poisoning 155 (28.3) 157 (26.3) NS 126 (32.6) 186 (24.6) 1.5 (1.1–1.9)
 After the index poisoning 227 (41.4) 230 (38.6) NS 170 (43.9) 287 (37.9) 1.3 (1.0–1.7)
Injuries to the wrist and hand (S60-S69) (Yes)
 Before the index poisoning 44 (8.0) 39 (6.5) NS 37 (9.6) 46 (6.1) 1.6 (1.0–2.6)
 After the index poisoning 46 (8.4) 51 (8.6) NS 30 (7.8) 67 (8.9) NS
Poisoning by medications or other substances (T40-T65) (Yes)
 Before the index poisoning 24 (4.4) 36 (6.0) NS 27 (7.0) 33 (4.4) NS
 After the index poisoning 146 (26.6) 135 (22.7) NS 120 (31.0) 161 (21.3) 1.7 (1.3–2.2)
Other injuries (Yes)
 Before the index poisoning 120 (21.9) 116 (19.5) NS 88 (22.7) 148 (19.6) NS
 After the index poisoning 114 (20.8) 141 (23.7) NS 82 (21.2) 173 (22.9) NS
Deliberate self-harm (X6n) (Yes)
 Before the index poisoning 12 (2.2) 6 (1.0) NS 11 (2.8) 7 (0.9) 3.1 (1.2–8.2)
  After the index poisoning 108 (19.7) 58 (9.7) 2.3 (1.6–3.2) 76 (19.6) 90 (11.9) 1.8 (1.3–2.5)
Comorbid psychiatric disorder (Fn) (Yes)
 Before the index poisoning 9 (1.6) 5 (0.8) NS 9 (2.3) 5 (0.7) 3.6 (1.2–10.8)
 After the index poisoning 89 (16.2) 73 (12.2) NS 91 (23.5) 71 (9.4) 3.0 (2.1–4.2)
  1. aThe analysis was conducted separately for each specific group of injuries; NS = Not significant