Table 4.

Multiple logistic regression of association between “future generations will benefit” attitude with willingness to donate biospecimens

	OR (95% CI)	P
If healthy, willing to donate
Saliva	3.54 (2.21–5.67)	<0.001
Urine	3.19 (2.01–5.07)	<0.001
Blood	2.98 (1.75–5.09)	<0.001
Toenails	2.85 (1.64–4.96)	<0.001
Hair	3.60 (2.20–5.88)	<0.001
If have cancer, willing to donate
Saliva	3.70 (1.95–7.03)	<0.001
Urine	3.63 (2.36–5.60)	<0.001
Blood	2.92 (1.69–5.02)	<0.001
Toenails	3.10 (2.01–4.78)	<0.001
Hair	3.47 (1.74–6.92)	<0.001
If have cancer, willing to donate  unused tissue	4.18 (2.18–8.01)	<0.001

NOTE: Adjusted for age, sex, marital status, education, years in the United States, family history of cancer, personal history of cancer, and trial group.

Bold P values reflect a statistical significance of P < 0.05.