Table 5.

Univariate analyses of demographic, health care, and research participation variables and conflation of research with biological samples and clinical care

		Mean score (SD)	p-value
Overall		17.05 (3.35)
Age	≤26	16.86 (3.59)	0.752
	27-34	17.53 (3.22)
	35-49	16.73 (3.88)
	≥50	17.05 (2.67)
Gender	Female	16.79 (3.71)	0.341
	Male	17.31 (2.95)
Employment	Full-time	16.82 (3.25)	<0.002
	Part-time	15.50 (3.21)
	Unemployed	18.25 (3.17)
Years education	≤4	18.00 (2.54)	0.054
	5-8	17.77 (3.37)
	9-12	16.72 (3.50)
	≥13	15.56 (2.87)
Annual household income	<$15,000	17.06 (2.85)	0.058
	$15,000 -$34,999	17.31 (3.61)
	$35,000 -$49,999	16.69 (3.15)
	>$50,000	12.00 (5.29)
Primary language spoken	Only Spanish	19.00 (2.91)	<0.001
	Spanish better than English	17.28 (3.02)
	Both	16.44 (3.28)
	English better than Spanish	15.60 (3.33)
	Only English	15.00 (3.16)
Health insurance	Private	15.43 (3.46)	<0.002
	Government	17.08 (3.23)
	Both	15.40 (2.70)
	None	18.51 (2.98)
Usual source of care	Doctor’s office	15.20 (3.08)	<0.001
	Clinic	17.61 (3.14)
	Hospital	18.67 (2.80)
	Othera	19.0 (4.38)
Has regular doctor	Yes	16.82 (3.42)	0.153
	No	17.73 (3.06)
Self-rated health	Excellent or very good	16.08 (4.00)	0.033
	Good	17.69 (3.20)
	Fair or poor	17.29 (2.05)
Provided a sample for research in the past	Yes	15.75 (2.49)	0.068
	No	17.11 (3.41)
	Not sure	19.60 (2.70)
Would provide a sample for research in the future	Very likely	17.70 (3.49)	0.144
	Somewhat likely	16.75 (3.40)
	Not likely	16.25 (2.45)

p-values obtained from independent samples t-test or one-way analysis of variance using scores from the one factor solution scale

^aOther: Pharmacy, traditional medicine/sobadores, family/friends, or prefer not to answer