Table 1

Demographic, medical, behavioral, and psychosocial characteristics of study participants

Characteristic
Integrated
Isolated

Demographic


     Gender (% female)
75.0%
83.3%
     Age (mean ± SD years)
57.5 ± 3.3
53.5 ± 1.5
     Ethnicity


          Anglo-American
62.5 %
33.3 %
          African-American
25.0 %
66.7 %
          Hispanic
12.5 %
0.0 %
     Household income (mean ± SD × $10,000 yearly)
91.6 ± 39.2
42.5 ± 17.2
     Marital status (% married)
63.5 %
50.0 %
Medical


     Body mass index (mean ± SD)
31.8 ± 6.3
34.2 ± 7.5
     Coronary artery disease (% diagnosed)
12.5 %
16.7 %
     High blood pressure (% diagnosed)
50.0 %
66.7 %
     Diabetes (% diagnosed)
12.5 %
33.3 %
     Kidney disease (% diagnosed)
12.5 %
33.3 %
     Liver disease (% diagnosed)
0.0 %
0.0 %
     Respiratory disease (% diagnosed)
12.5 %
0.0 %
     Anti-inflammatory medications (% prescribed)
25.0 %
33.3 %
     Statin medications (% prescribed)
25.0 %
33.3 %
     Anti-diabetic medications (% prescribed)
12.5 %
33.3 %
     Beta-blocker medications (% prescribed)
12.5 %
33.3 %
     Psychotropic medications (% prescribed)
12.5 %
16.7 %
Behavioral


     Regular exercise (% reporting)
100.0 %
100.0 %
     Alcohol consumption (mean drinks/week ± SD)
2.6 ± 4.1
1.8 ± 3.3
     Smoking (% smokers)
0.0 %
0.0 %
Psychosocial


     UCLA Loneliness (mean ± SD)
29.9 ± 5.1
46.0 ± 5.6
     Depressive symptoms (CESD mean ± SD)
1.9 ± 2.8
15.3 ± 11.9
     Stress (Perceived Stress Scale mean ± SD)
7.5 ± 6.6
15.8 ± 5.3
     Hostility (Cook-Medley Hostility Inventory mean ± SD)
11.1 ± 7.0
17.2 ± 8.2

SD, standard deviation.

Cole et al. Genome Biology 2007 8:R189   doi:10.1186/gb-2007-8-9-r189