When study site contributes to outcomes in a multi-center randomized trial: a secondary analysis of decisional conflict in men with localized prostate cancer

Table 5 Univariate analysis of the relationship between decisional conflict and the additional site level variables collected

Site Variable	Decisional uncertainty subscale		Informed subscale		Values clarity subscale		Support subscale
Site Variable	Est.	p-value	Est.	p-value	Est.	P-value	Est.	P-value
Number of in person visits (>1 vs. . 1)	?14.5	0.008	2.97	0.55	7.55	0.09	?4.72	0.16
Diagnosis disclosure method		.0001		0.09		0.96		0.85
?In person vs. telephone	?14.7	<.0001	?3.27	0.31	0.85	0.77	?0.12	0.96
?N/A vs. telephone	?1.0	0.75	?6.47	0.03	?0.11	1.0	?1.16	0.57
Time from Biopsy to treatment decision		0.0001		0.09		0.96		0.85
?<1 mo vs. N/A	1.0	0.75	6.47	0.03	0.01	1.0	1.16	0.57
?> 1 mo vs. N/A	?13.6	0.001	3.21	0.40	0.86	0.10	1.04	0.69
Educational material given (no vs. yes)	7.16	0.008	5.03	0.04	?0.37	0.87	0.69	0.68
Telephone follow-up given (no vs. yes)	?14.5	0.008	2.97	0.55	7.55	0.09	?4.72	0.16

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