Table 3.

Multivariate Logistic Regression: Variables Associated with Clinical Trial Awareness in HINTS 2012

Variable	Odds Ratioa	95% CI	P-value
Age (years)			0.23
18–29r
30–39	1.07	0.60–1.90
40–49	0.97	0.58–1.60
50–59	1.24	0.75–2.06
60–69	1.33	0.79–2.22
70–79	1.24	0.70–2.19
≥80	0.71	0.36–1.41
Gender			0.97
Maler
Female	1.00	0.77–1.32
Education			<0.01
Less than high schoolr
High school	1.69	1.08–2.63
Some college	2.75	1.74–4.37
College grad or higher	3.52	2.16–5.74
Yearly household incomeb			0.03
<$49,000r
$50,000–$99,999	1.72	1.23–2.40
≥$100,000	1.84	1.17–2.89
Race			0.30
Whiter
African-American/black	0.84	0.58–1.22
Asian	0.39	0.17–0.91
American Indian	0.55	0.10–3.11
Pacific Islander	0.52	0.06–4.28
Ethnicity			<0.01
Not Hispanicr
Hispanic	0.49	0.33–0.72
Personal history of cancer			0.44
Nor
Yes	1.15	0.81–1.64
Family member with cancer			0.21
Nor
Yes	1.21	0.90–1.64
Use of internet			<0.01
Nor
Yes	2.13	1.52–3.00
Ever looked for health information from any source			<0.01
Nor
Yes	1.92	1.36–2.70

CI- confidence interval

^aAdjusted for all variables listed in table;

^bImputed by HINTS statistical team according to education, race/ethnicity, language, renting vs. owning a house, being born in USA;

^rReference category