Table 1.

Descriptive statistics and effect sizes for the study variables.

	Vaxxers		Anti-vaxxers		t	Cohen's d
	Mean	SD	Mean	SD
Trait EI
Well-being	4.95	0.98	5.24	1.05	3.065*	0.29
Self-Control	4.90	1.03	5.24	1.01	3.558*	0.33
Emotionality	4.90	1.01	5.23	1.03	3.413*	0.32
Sociability	4.84	1.04	5.19	1.04	3.653*	0.34
Global trait EI	4.90	1.00	5.23	1.02	3.452*	0.33
Dark Triad
Machiavellianism	36.32	6.87	38.08	6.23	2.813*	0.27
Narcissism	32.25	5.41	34.14	5.44	3.303*	0.35
Psychopathy	31.28	7.32	33.02	6.47	2.647 ns	–
HEXACO
Honesty/humility	29.15	4.58	28.13	2.88	2.736*	0.26
Emotionality	31.72	3.85	31.88	2.56	0.499 ns	–
Extraversion	32.07	4.49	32.66	2.91	1.596 ns	–
Agreeableness	31.42	4.20	31.41	2.74	0.019 ns	–
Conscientiousness	30.66	5.48	29.24	3.69	3.128*	0.29
Openness	31.78	4.41	31.16	3.39	1.636 ns	–

Note. *p ≤ 0.0036; ns = not significant.