Table 2. Pierced and non-pierced group comparison using unpaired t-test.

Variable	Piercing	n	M	SD	t	p	Cohen’s d	95% CI
Global score	Yes	104	3.37	.43	2.77	.01*	0.33	.04, .25
	No	208	3.22	.45
Lack of concern	Yes	104	3.63	.55	1.42	.16	0.17	-.04, .23
	No	208	3.53	.59
Not follow rules	Yes	104	3.10	.62	3.94	.001**	0.47	.13, .40
	No	208	2.84	.53
Defend beliefs publicly	Yes	104	3.18	.68	1.06	.29	0.13	-.07, .25
	No	208	3.10	.68

n, subsample size; M, means; SD, standard deviation; t, t-test

*, p ≤ .01

**, p ≤ .001; CI, confidence interval.