Table 2

Hierarchical multiple linear regression of demographic variables, perfectionistic self-presentation and motivational variables on body satisfaction

Variables	b	Beta	t	P value	R²	ΔR²	ΔF
Step 1					0.20	0.21***	16.97
Age	−1.56	−0.42	−5.88	<0.001
Gender	7.21	0.32	4.75	<0.001
Sport	1.22	0.06	0.87	0.385
Step 2					0.39	0.19***	28.85
Age	−1.17	−0.31	−4.83	<0.001
Gender	6.60	0.28	5.04	<0.001
Sport	1.78	0.09	1.44	0.153
Perfectionistic presentation	−0.27	−0.36	−5.44	<0.001
Non-disclosure of imperfection	−0.35	−0.14	−2.09	0.038
Step 3					0.40	0.01	2.86
Age	−0.92	−0.24	−3.51	<0.001
Gender	6.31	0.28	4.68	<0.001
Sport	1.25	0.06	0.95	0.346
Perfectionistic presentation	−0.25	−0.33	−4.85	<0.001
Non-disclosure of imperfection	−0.32	−0.13	−1.96	0.052
Controlled motivation	−0.14	0.12	−1.79	0.076
Autonomous motivation	0.07	0.09	1.52	0.131