. Author manuscript; available in PMC: 2012 Nov 1.

Published in final edited form as: Patient Educ Couns. 2010 Nov 26;85(2):308–312. doi: 10.1016/j.pec.2010.10.024

Table V.

Correlations between baseline scales and usability by group

	DVD (n =337)		Phone (n = 432)
	r	p	r	p
Baseline scales
Mammography screening scales

Knowledge	−0.01	0.830	−0.15	0.002

Benefits	0.31	<.001	0.29	<.001

Self efficacy	0.25	<.001	0.17	0.001

Barriers	−0.24	<.001	−0.29	<.001

Fear	0.13	0.021	0.12	0.010

Fatalism	−0.10	0.061	−0.08	0.082

Susceptibility	0.10	0.064	0.03	0.513

Optimism	0.08	0.150	−0.07	0.167

r = Spearman rank correlation.