Table 3.

Results of multiple hierarchical regression analyses for the prediction of low body fat and muscularity in men.

Step	Variable	Body fat dissatisfaction					Muscularity dissatisfaction
		B	SE	β	t	p	B	SE	β	t	p
1		F(2, 254) = 27.13, p < .001, Adj. R2 = .17					F(2, 254) = 16.72, p = .001, Adj. R2 = .11
	Age	−.01	.01	−.11	−1.78	.076	−.03	.01	−.31	−5.04	<.001
	BMI	.09	.01	.44	7.37	<.001	−.02	.01	−.09	−1.50	.135
2		F(5, 254) = 18.80, p < .001, Adj. R2 = .26 (ΔF p < .001)					F(5, 254) = 17.83, p < .001, Adj. R2 = .25 (ΔF p < .001)
	Age	−.01	.01	−.03	−0.57	.567	−.02	.01	−.21	−3.66	<.001
	BMI	.08	.01	.41	7.35	<.001	−.02	.01	−.12	−2.14	.033
	Perceived stress	.28	.15	.17	1.84	.066	.21	.15	.12	1.37	.171
	Stress life events	−.01	.04	−.01	−0.19	.848	.07	.04	.11	1.90	.059
	Trait anxiety	.36	.18	.18	1.97	.050	.51	.18	.26	2.92	.004
3		F(7, 254) = 14.63, p < .001, Adj. R2 = .28 (ΔF p = .038)					F(7, 254) = 20.16, p < .001, Adj. R2 = .35 (ΔF p < .001)
	Age	−.01	.01	−.04	−0.72	.472	−.02	.01	−.21	−3.82	<.001
	BMI	.08	.01	.42	7.51	<.001	−.02	.01	−.10	−1.82	<.001
	Perceived stress	.23	.16	.14	1.49	.137	.03	.14	.02	0.18	.855
	Stress life events	−.01	.04	−.02	−0.35	.727	.06	.04	.08	1.62	.107
	Trait anxiety	.32	.18	.16	1.79	.075	.45	.16	.23	2.77	.006
	COVID-19 stress	.01	.06	.01	0.07	.945	.19	.05	.24	3.56	<.001
	COVID-19 anxiety	.09	.04	.14	2.14	.033	.09	.04	.15	2.40	.017

Note. n = 251. BMI = body mass index.