Unraveling Exercise Addiction: The Role of Narcissism and Self-Esteem

Table 2

Coopersmith Self-Esteem Inventory (SEI) and Narcissistic Personality Inventory (NPI) scores in high EA risk and low EA risk groups.

	High EA; risk group; ()	S.D.	Low EA; risk group; ()	S.D.	value	Cohen’s
SEI total score	32.2	10.7	36.4	8.8	<.0001	0.4
NPI
Narcissism	20.2	7.5	14.6	7.5	<.0001	0.7
Authority	4.7	1.8	3.1	2.3	.005	0.8
Self-sufficiency	3.3	1.5	2.5	1.4	.05	0.5
Superiority	2.4	1.3	1.5	1.1	.01	0.7
Exhibitionism	3.1	1.6	2.1	1.7	.051	0.6
Exploitativeness	3.4	1.6	2.3	1.7	.032	0.7
Vanity	2.8	1.4	1.9	1.6	.027	0.6
Entitlement	2.9	1.2	1.9	1.3	.007	0.8