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. Author manuscript; available in PMC: 2012 Jan 1.
Published in final edited form as: Contemp Clin Trials. 2010 Sep 7;32(1):25–31. doi: 10.1016/j.cct.2010.08.013

Table 2.

Characteristics of Study Participants

Variables Response
categories
Total
N=562
Sociodemographic Background
   Age [n, (%)]
50 to 59 years 358 (64)
60 to 79 years 202 (36)
   Race [n, (%)]
White 291 (52)
Nonwhite* 267 (48)
   Gender [n, (%)]
Male 235 (42)
Female 325 (58)
   Education [n, (%)]
≤ high school grad 183 (33)
> high school grad 376 (67)
   Marital Status [n, (%)]
married 284 (51)
not married 274 (49)
Perceptions of CRC Screening
   Salience & Coherence [n, (%)]
≤ 3 19 (3)
> 3 543 (97)
   Susceptibility [n, (%)]
≤ 3 448 (80)
> 3 113 (20)
   Worries & Concerns [n, (%)]
≤ 3 300 (53)
> 3 262 (47)
   Response Efficacy [n, (%)]
≤ 3 45 (8)
> 3 516 (92)
   Social Influence [n, (%)]
≤ 3 94 (17)
> 3 467 (83)
Regular Supplement Use
   Vitamins [n, (%)]
Yes 273 (49)
No 287 (51)
   Folate [n, (%)]
Yes 50 (9)
No 511 (91)
Decision Stage [n, (%)]
Never heard of 38 (7)
Undecided 94 (17)
Decided to screen 430 (76)
Patient Knowledge (percent correct)
   CRC screening [mean, (std)] 67.0 (16.5)
   GERA [mean, (std)] 63.1 (13.9)
Impact of Events Scale (0=never, 5=often)
   IES scale [mean, (std)] 0.39 (0.73)
*

Total Nonwhite participants: 238 African Americans, 11 Asians, 2 Native Americans, and 16 Others.