Table 4.

Unadjusted Associations of Interest in Research Participation with Health Literacy and Subjective Numeracy

	Health literacy (BHLS) n = 15,717	Subjective numeracy (SNS) n = 15,691
Completing a survey two or more times	.058 (.054, .063)**	.027 (.025, .030)**
Giving a blood sample	.038 (.033, .043)**	.022 (.019, .025)**
Taking part in a study that involves talking by phone or is over the internet (for example, to get advice about your health)	.051 (.046, .056)**	.025 (.022, .028)**
Taking part in a study where you have to take medication	.014 (.009, .019)**	.009 (.006, .012)**
Taking part in a study that involves meeting at a local community center or school	.021 (.016, .026)**	.010 (.007, .013)**
Taking part in a study that involves you and other people in your family	.014 (.009, .019)**	.014 (.011, .017)**
Taking part in a study where you would stay in the hospital for 1 or more days	.001 (− .004, .006)	.000 (− .003, .003)

Values represent β (95% CI)

*p < 0.05; **p < 0.001