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Table 1 Descriptive statistics for participants with and without a lifetime history of NSSI

From: Affective instability and impulsivity predict nonsuicidal self-injury in the general population: a longitudinal analysis

Variables

Unweighted n or M (and weighted estimates)

OR (SE)

No NSSI (n = 2247)

NSSI (n = 97)

SCID-II

 AI

455 (12.9%, SE = .008)

55 (49.9%, SE = .063)

6.72 (1.76)***

 Impulsivity

1071 (41.2%, SE = .015)

62 (63.7%, SE = .064)

2.50 (0.71)**

 BPD

3 (0.05%, SE = .0003)

5 (2.58%, SE = .014)

53.6 (43.8)***

Demographics

 Age

45.1 (43.7, SE = 0.52)

34.1 (30.0, SE = 1.34)

0.93 (.009)***

 Female

1287 (50.4%, SE = .016)

60 (56.9%, SE = .062)

1.30 (0.33)

  1. Note. Odds ratios (and linearized standard errors) are from weighted simple logistic regression analyses with each variable predicting lifetime NSSI
  2. NSSI nonsuicidal self-injury, SCID-II Structured Clinical Interview for DSM-IV Axis II Personality Disorders, AI affective instability, BPD borderline personality disorder
  3. *p < .05
  4. **p < .01
  5. ***p < .001