Table 6. Over-exercise (as measured by the EPPES and EDEQ-4) predicting pain insensi-tivity controlling for age, restraint, vomiting episodes, and laxative use.

Predictor	B	ΔR2	t	p
Step 1		0.02
(constant)			31.15	<0.001
Age	0.02		0.38	0.70
Diet pills/laxatives/diuretics	−0.04		−0.74	0.46
Vomiting	−0.07		1.22	0.22
Restraint	0.10		1.83	0.07
Step 2		0.01*
(constant)			31.12	<0.001
Age	0.04		0.68	0.50
Diet pills/laxatives/diuretics	−0.05		−0.96	0.34
Vomiting	0.05		0.81	0.42
Restraint	0.09		1.73	0.08
Over-exercise	0.12		2.27	0.02

^*p<0.05 for ΔR².