Table 5. Predictors of preference for one-time consent or opt-out using opt-out plus as a reference category in a multivariate model using multinomial logistic regression.

	HR (95% CI)	P-value
One-time general consent a
Age
<50	1.77 (0.65–4.86)	NS
50–65	1.68 (0.71–3.94)	NS
>60	Ref
Educational level
Low	0.73 (0.24–2.22)	NS
Intermediate	0.97 (0.50–1.88)	NS
High	Ref
Do you consider yourself owner of residual tissue?
No	0.64 (0.34–1.22)	NS
Yes	Ref
Opt-out a
Age
<50	1.73 (0.51–5.89)	NS
50–65	0.65 (0.23–1.86)	NS
>65	Ref
Educational level
Low	4.70 (1.44–15.39)	0.01
Intermediate	1.54 (0.56–4.26)	NS
High	Ref
Do you consider yourself the owner of residual tissue?
No	3.60 (1.30–9.97)	0.01
Yes	Ref

^aOpt-out plus=reference category.