Table 3.

Results of Regression Analyses

Variables		Adolescent Sample			Collegiate Sample
Dependent	Independent	R2a	βb	t	R2	β	t
Premature return to sport		0.05			0.08
	1. Appearing athletically untalented		0.19	1.56		–0.06	–0.49
	2. Physical appearance		–0.15	–1.25		0.27	2.10c
	3. Fatigued/lacking in energy		0.10	0.84		0.09	0.63
	4. Mental composure inadequacies		0.04	0.33		–0.08	–0.47
	5. Athletic Identity Measurement Scale		0.05	0.57		0.04	0.36
Ignore practitioner recommendations		0.15			0.20
	1. Appearing athletically untalented		0.22	1.91c		–0.06	–0.52
	2. Physical appearance		–0.03	–0.24		0.23	1.96c
	3. Fatigued/lacking in energy		0.18	1.61		–0.03	–0.21
	4. Mental composure inadequacies		–0.02	–0.15		0.21	1.39
	5. Athletic Identity Measurement Scale		0.21	2.41c		0.23	2.52d
Attempt expedited rehabilitation		0.25			0.07
	1. Appearing athletically untalented		0.19	1.79		–0.08	–0.71
	2. Physical appearance		–0.14	–1.32		0.02	0.14
	3. Fatigued/lacking in energy		0.11	1.02		0.11	0.74
	4. Mental composure inadequacies		–0.13	–1.11		0.13	0.83
	5. Athletic Identity Measurement Scale		0.45	5.30d		0.17	1.70

^aR² values are cumulative, with each incremental step adding to the variance explained.

^bβ values are standardized regression coefficients from the final stage of the regression analysis.

^cP < .05.

^dP < .01.