Table 1.

Hierarchical regression for nonplanning (age, sex).

	Variable	B	SE B	β	t
Step 1	Age	−.424	.210	−.258	−2.020	*
Step 2	Age	−.399	.213	−.243	−1.875
	Sex	−1.049	1.217	−.112	−.862

Dependent variable: nonplanning impulsivity. R² = .07 for Step 1; ΔR² = .01 for Step 2, n.s.

^*p < .05.