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. Author manuscript; available in PMC: 2017 Jul 21.
Published in final edited form as: Contemp Clin Trials. 2015 Jun 23;44:1–10. doi: 10.1016/j.cct.2015.06.017

Table 2.

Demographic characteristics of participants.

Variable Level Total n (%) WbF n (%) RoF n (%)
Age (years) Mean (SD) 55.7 (12.8) 55.5 (12.9) 56.1 (12.5)
Age category (years) <30 23 (3.5) 15 (3.5) 8 (3.4)
30–39 47 (7.1) 32 (7.5) 15 (6.3)
40–49 129 (19.5) 88 (20.7) 41 (17.3)
50–59 203 (30.6) 127 (29.8) 76 (32.1)
60–69 173 (26.1) 105 (24.6) 68 (28.7)
70+ 88 (13.3) 59 (13.8) 29 (12.2)
Gender Male 194 (29.3) 110 (25.8) 84 (35.4)
Female 469 (70.7) 316 (74.2) 153 (64.6)
Race: White, non-Hispanic Yes 646 (97.4) 413 (96.9) 233 (98.3)
No 17 (2.6) 13 (3.1) 4 (1.7)
Marital status Married/living w partner 522 (78.7) 331 (77.7) 191 (80.6)
Divorced/separated/widowed 107 (16.1) 75 (17.6) 32 (13.5)
Never been married 34 (5.1) 20 (4.7) 14 (5.9)
Education ≤High school/GED 167 (25.2) 113 (26.5) 54 (22.8)
Some college or associate degree 247 (37.3) 160 (37.6) 87 (36.7)
Bachelor degree or more 249 (37.6) 153 (35.9) 96 (40.5)
Health insurance Uninsured 31 (4.7) 20 (4.7) 11 (4.6)
Public 185 (27.9) 121 (28.4) 64 (27.0)
Private 447 (67.4) 285 (66.9) 162 (68.4)
Household income <$40,000 137 (25.6) 90 (25.9) 47 (25.1)
$40,000 to $69,999 198 (37.0) 128 (36.8) 70 (37.4)
$70,000+ 200 (37.4) 130 (37.4) 70 (37.4)

GED: General Education Diploma.