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. Author manuscript; available in PMC: 2014 Jun 2.
Published in final edited form as: Patient Educ Couns. 2011 Apr;83(1):92–98. doi: 10.1016/j.pec.2010.04.027

Table 2.

Prediction of graphicacy: multivariate regression.

Independent variables Effect Coefficient SE t p (2 tail) Multiple r2
Numeracy Constant 3.843 0.575 6.684 <0.0005
Numeracy 1.217 0.135 9.040 <0.0005 0.409
Numeracy + education Constant 3.454 0.613 5.633 <0.0005
Numeracy 1.101 0.149 7.374 <0.0005
Education 0.402 0.233 1.725 0.087 0.424

In stepwise linear regression, after adjusting for numeracy, no covariates were significant predictors of graphicacy. Education added little to the prediction of graphicacy.