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Table 2 Weighted multivariate logistic regression model of predictors of awareness of direct-to-consumer genetic testing services across 4 waves of the Health Information National Trends Survey (HINTS) from 2011 to 2014

From: Rural-urban and racial-ethnic differences in awareness of direct-to-consumer genetic testing

 

Predictors of awareness of DTC genetic testing

 

Odds Ratio (95% CI)

Beta coefficient

SE Beta

P value

Geographic location

    

Urban

Reference

   

Rural

0.74 (0.63–0.87)

−0.30

0.08

< .001

Gender

    

Male

Reference

   

Female

1.06 (0.94–1.19)

0.06

0.06

0.329

Age, years

    

18–34

Reference

   

35–49

0.88 (0.73–1.05)

−0.13

0.09

0.163

50–64

1.14 (0.96–1.35)

0.13

0.09

0.138

65–74

1.01 (0.84–1.23)

0.01

0.10

0.882

≥75

0.67 (0.54–0.83)

−0.39

0.11

< .001

Race/ethnicity

    

NH white

Reference

   

Hispanic

0.68 (0.56–0.82)

−0.39

0.09

< .001

NH black

0.74 (0.61–0.90)

−0.31

0.10

0.002

NH other

0.71 (0.55–0.92)

−0.34

0.13

0.009

Missing

0.62 (0.49–0.78)

−0.48

0.12

< .001

Education

    

Less than high school

Reference

   

High school graduate

1.07 (0.83–1.37)

0.06

0.13

0.611

Some college

1.61 (1.27–2.05)

0.48

0.12

< .001

College graduate

2.43 (1.90–3.10)

0.89

0.12

< .001

Missing

1.61 (0.92–2.82)

0.48

0.28

0.093

Household income

    

 <$20,000

Reference

   

$20,000 to < $35,000

1.10 (0.88–1.36)

0.09

0.11

0.407

$35,000 to < $50,000

1.12 (0.89–1.40)

0.11

0.12

0.324

$50,000 to < $75,000

1.31 (1.05–1.63)

0.27

0.11

0.017

$75,000+

1.65 (1.34–2.03)

0.50

0.11

< .001

Missing

1.31 (0.86–2.01)

0.27

0.22

0.204

HINTS administration

    

2011 (HINTS 4 Cycle 1)

Reference

   

2012 (HINTS 4 Cycle 2)

1.72 (1.47–2.02)

0.54

0.08

< .001

2013 (HINTS 4 Cycle 3)

0.96 (0.81–1.13)

−0.04

0.09

0.622

2014 (HINTS 4 Cycle 4)

0.97 (0.82–1.14)

−0.03

0.08

0.716

  1. DTC direct-to-consumer, SE standard error, NH non-Hispanic