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Table 4 Logistic regression analyses for baseline and intra-treatment variables of nonsuicidal self-injury in eating disorders

From: Lifetime prevalence and clinical correlates of nonsuicidal self-injury in youth inpatients with eating disorders: a retrospective chart review

ED

Nagelkerke r2, overall model

Variables

OR (95% CI)

B (SE)

Wald

df

p

AN-R

0.39

Weight change kg/week

0.03 [0.02, 0.43]

− 3.67 (1.44)

6.52

1

0.001

(n = 242)

 

Psychiatric comorbidities, average number

2.93 [1.42, 6.04]

1.08 (0.37)

8.46

1

0.004

  

Suicidal ideation (0 = no, 1 = yes)

0.21 [0.72, 0.64]

− 1.54 (0.56)

7.68

1

0.006

AN-BP

(n = 56)

0.45

Psychiatric comorbidities, average number

2.67 [1.13, 6.31]

0.99 (0.44)

5.00

1

0.025

BN

0.33

Psychiatric comorbidities, average number

3.75 [1.71, 8.23]

1.32 (0.40)

10.87

1

0.001

(n = 82)

 

Treatment duration

1.01 [1.00,1.02]

0.01 (0.00)

4.54

1

0.033

  1. Significant p-values ≤  0.05 are bold
  2. AN-BP: anorexia nervosa, binge-purge type, AN-R: AN, restricting type, BN: bulimia nervosa; B: beta, CI: confidence interval, ED: eating disorder, OR: odds ratio, SE: standard error