. Author manuscript; available in PMC: 2011 Oct 1.

Published in final edited form as: Patient Educ Couns. 2009 Oct 23;81(1):131–136. doi: 10.1016/j.pec.2009.09.036

Table 2.

Regression results for knowledge score

Step	Variables	Beta	p-value	p-value for step	Adjusted R²	R² change	p-value for change
1	Age	−0.018	0.775	< .001^***	0.243	0.254	< .001^***
	Site^*	−0.228	0.020
	Numeracy^***	0.344	< .001
2	Age	0.003	0.966	< .001^***	0.261	0.021	0.016^*
	Site^**	−0.211	0.003
	Numeracy^***	0.278	< .001
	REAL-G^*	0.168	0.016
3	Age	0.005	0.939	< .001^***	0.301	0.046	0.002^**
	Site^***	−0.226	0.001
	Numeracy^***	0.275	< .001
	REAL-G^*	0.16	0.018
	Session Length^***	0.202	0.001
	Interactivity	−0.057	0.340
4	Age	0.006	0.917	< .001^***	0.301	0.014	0.137
	Site^**	−0.194	0.007
	Numeracy	−0.562	0.216
	REAL-G	0.051	0.570
	Session Length	0.29	0.091
	Interactivity	0.046	0.816
	Numeracy × REAL-G^†	0.916	0.061
	Session Length × Interactivity	−0.146	0.552

p < .05

^**

p < .01

^***

p ≤ .001

^†

p < .07