Table 2

Demographic Characteristics of Sample


Participants
Non-Participants





Demographic Category
Frequency
211
Percent
100%
Frequency
697
Percent
100%
p

GENDER




n.s.
     Female
107
51%
348
50%

     Male
104
49%
349
50%

RACE/ETHNICITY




< .0001
     Asian/Pacific Islander
44
21%
194
28%

     African-Americans
48
23%
155
22%

     Hispanic
40
19%
251
28%

     White
76
36%
97
14%

     Other
3
1%
0
0

AGE




n.s.
     65–69
67
32%
262
38%

     70–74
59
28%
196
28%

     75–79
52
25%
132
19%

     80–84
22
10%
68
10%

     85+
11
5%
39
6%

EDUCATION*




NA
     < HS Graduate
14
7%
--
--

     HS Graduate
43
20%
--
--

     Some College
81
39%
--
--

     College+
72
34%
--
--


Note: *With the exception of Education, the sample size for all analyses was N = 211. For Education, one case was missing and the resulting N = 210. NA = Education not available for non-participants.

Crooks et al. BMC Neurology 2007 7:10   doi:10.1186/1471-2377-7-10