. Author manuscript; available in PMC: 2013 Apr 13.

Published in final edited form as: Alcohol Treat Q. 2012 Apr 13;30(2):163–178. doi: 10.1080/07347324.2012.663286

TABLE 2.

Narcissistic Personality Inventory Scores: Comparison Between Adolescents with and without Substance Dependency Disorder

NPI Subscale score	Total (N, %) 230 (100%)	Adolescents (normative) 115 (50%)	Adolescents with substance dependency disorder 115 (50%)
Authority (M, SD)	4.34 (2.11)	3.87 (2.22)	4.81 (1.88)^**
Entitlement (M, SD)	2.17 (1.54)	1.97 (1.61)	2.37 (1.43)^*
Exhibitionism (M, SD)	2.35 (1.79)	1.97 (1.61)	2.37 (1.43)^***
Exploitativeness (M, SD)	1.85 (1.40)	1.50 (1.38)	2.20 (1.33)^***
Superiority (M, SD)	2.48 (1.40)	2.35 (1.42)	2.61 (1.39)
Self-Sufficiency (M, SD)	2.37 (1.37)	2.36 (1.52)	2.39(1.21)
Vanity (M, SD)	1.25 (1.11)	1.02 (1.12)	1.49 (1.07)^**

Notes.

p < .05,

^**

p < .01,

^***

p < .0001.