Skip to main content

Table 6 ANCOVA and post-hoc group comparisons of clinical features of SIB and suicidal presentations by NSSI diagnostic subgroups (n = 85)

From: Depression and posttraumatic stress disorder in adolescents with nonsuicidal self-injury: comparisons of the psychological correlates and suicidal presentations across diagnostic subgroups

 

F

Comparison

Mean Difference

S.E.

95% CI

Number of methods

0.04

B vs. A

-0.07

0.22

-0.60, 0.46

C vs. A

-0.07

0.28

-0.73, 0.60

C vs. B

0.00

0.22

-0.52, 0.52

Impulsivity

0.72

B vs. A

0.59

0.51

-0.61, 1.79

C vs. A

-0.01

0.63

-1.52, 1.50

C vs. B

-0.60

0.50

-1.78, 0.58

Thoughts/desire

7.64***

B vs. A

1.83**

0.61

0.38, 3.28

C vs. A

2.84**

0.77

1.02, 4.66

C vs. B

1.01

0.60

-0.41, 2.43

Intent

1.16

B vs. A

0.31

0.28

-0.35, 0.98

C vs. A

0.52

0.35

-0.31, 1.35

C vs. B

0.21

0.28

-0.45, 0.86

Lethality

3.79*

B vs. A

0.33

0.15

-0.03, 0.70

C vs. A

0.35

0.19

-0.10, 0.81

C vs. B

0.02

0.15

-0.34, 0.38

Recent ideation

(depressive episode)

12.64***

B vs. A

1.62***

0.35

0.77, 2.46

C vs. A

1.39**

0.44

0.33, 2.44

C vs. B

-0.23

0.35

-1.06, 0.60

Recent behaviors

(depressive episode)

3.50*

B vs. A

0.90

0.41

-0.08, 1.88

C vs. A

1.02

0.52

-0.21, 2.24

C vs. B

0.11

0.40

-0.85, 1.07

  1. Sex and age are covariates in all comparisons
  2. Notes. *p <.05; ***p <.001; adjusted p-values were used for group comparisons
  3. A = NSSI+/depression-/PTSD- (n = 14); B = NSSI+/depression+/PTSD- (n = 57); C = NSSI+/depression+/PTSD+ (n = 14)
  4. n = 81 for lethality; n = 82 for intent; n = 84 for impulsivity, recent ideation, and recent behaviors; n = 85 for number of methods, and thoughts/desire