Table 1 Demographics of study participants

Age

 Mean yrs (SD)

46.9 (11.8)

49.0 (13.6)

 < .001

 18–30

66

12.3%

577

11.9%

 < .001

 31–40

110

20.5%

824

17.0%

 41–50

149

27.8%

1116

23.0%

 51–60

145

27.0%

1393

28.7%

 61–64

40

7.5%

453

9.4%

 65 and older

26

4.9%

484

10.0%

Sex

 Female

170

31.7%

2310

47.7%

 < .001

Race

 White

202

37.7%

2159

44.5%

 < .001

 Asian

145

27.1%

1633

33.7%

 Black/African American

144

26.9%

611

12.6%

 American Indian/Alaska Native

9

1.7%

58

1.2%

 Native Hawaiian/Pacific Islander

5

0.9%

26

0.5%

 More than one race

15

2.8%

59

1.2%

 Missing

16

3.0%

301

6.2%

Ethnicity

 Hispanic/Latino

56

10.4%

818

16.9%

 < .001

 Unknown

6

1.1%

232

4.8%