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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