Table 3. Independent associations of six experimental factors with willingness to participate in a biobank project.

	Willingness to participatea
Experimental factors assessed in the two clinical vignettes	Odds ratio	95% CI	P-value
Vignette 1
Cancer-oriented consent (vs general consent)	0.90	0.72–1.12	0.35
Single review of the patient’s chart or individual health data (vs several reviews)	1.35	1.09–1.68	0.007
Genetic analyses on the biospecimens (vs blood protein analysis)	1.11	0.89–1.38	0.35
Vignette 2
Oral swabbing (vs blood sample)	1.35	1.09–1.67	0.007
No follow-up of patients (vs follow-up)	1.54	1.24–1.91	<0.001
Local project (vs international)	0.88	0.71–1.10	0.27

Abbreviation: CI, confidence interval.

^aObtained by ordinal logistic regression model. Willingness to participate was rated on a 5-point Likert scale.