Table 3. Linear Hierarchical Regression Analysis of Predictors of Doping Susceptibility.

Variable	Adjusted R2a	Beta	P	F	df	VIF
Step 1	0.115		< 0.001	23.408	(5, 854)
Gender		0.10	0.003			1.17
School		0.14	< 0.001			1.06
Risk Sport		0.20	< 0.001			1.01
PES Offer		0.17	< 0.001			1.13
Step 2	0.222		< 0.001	20.602	(6, 848)
Gender		0.15	< 0.001			1.26
School		0.13	< 0.001			1.07
Risk Sport		0.17	< 0.001			1.03
PES Offer		0.18	< 0.001			1.17
Fear of Failure		0.12	0.001			1.50
Achievement Motivation		-0.21	< 0.001			1.98
Goal Orientation - Ego-Orientation		0.20	< 0.001			1.10
Step 3	0.237		< 0.001	5.144	(4, 844)
Gender		0.12	0.001			1.41
School		0.13	< 0.001			1.08
Risk Sport		0.16	< 0.001			1.07
PES Offer		0.18	< 0.001			1.18
Fear of Failure		0.11	0.003			1.55
Achievement Motivation		-0.18	< 0.001			2.07
Goal Orientation - Ego-Orientation		0.18	< 0.001			1.15
Depressive Mood		0.12	0.002			1.74
Self-Esteem		0.10	0.023			2.16

Abbreviation: VIF, variance inflation factor.

^aR², Explained variance.