Table 1

Summary of demographic and health characteristics of intervention and control groups



Control
Group
n = 83
Intervention
Group
n = 80
p-value

Age (years)



0.07

< 45 years
31 %
26 %


45–55 years
51 %
40 %


> 55 years
18 %
34 %

Race/ethnicity



0.03

Non-Hispanic White
96 %
88 %


Other
4 %
12 %

Education



0.05

Some HS or HS Grad
24 %
15 %


Some College
31 %
21 %


College Grad or Higher
44 %
64 %

Marital Status



0.14

Married
90 %
82 %


Not Married
10 %
18 %

Smoking Status



0.93

Smokers
12 %
12 %


Non-smokers
88 %
88 %

Self-Perceived



0.86
Health Status
Excellent
26 %
26 %


Very Good/Good
65 %
68 %


Fair/Poor
8 %
6 %

Time Since Last



0.19
Medical Exam
Within Past Year
84 %
76 %


More Than One Year Ago
16 %
24 %


Miller et al. Nutrition Journal 2008 7:18   doi:10.1186/1475-2891-7-18