Table 3

Baseline and demographics by randomization group.


Total Step Group
Bout Step Group

N
17
13
Age (SD)
52 ± 12
53 ± 9
Sex


     Male
29%
38%
     Female
71%
62%
Race/Ethnicity


     White
76%
77%
     Black
18%
8%
     Other
6%
15%
Baseline Average Daily Step Count
4,157 ± 1,737
5,171 ± 1,769
Baseline BMI
38.6 ± 8.2
35.3 ± 8.6
Baseline Blood Pressure


     Systolic
133 ± 18
136 ± 12
     Diastolic
80 ± 9
82 ± 11
On Insulin


     No
88%
69%
     Yes
12%
31%
Income


     <$30,000
18%
8%
     $30,000-<$70,000
18%
31%
     ≥ $70,000
65%
62%
Education


     HS diploma or GED
6%
8%
     Some college
47%
15%
     College degree
18%
46%
     Graduate degree
29%
31%
Internet Usage (Home)


     Never
6%
23%
     ≤ 4 times per month
12%
8%
     Several times a week
12%
23%
     Almost every day
71%
46%
(Work)


     Never
29%
23%
     ≤ 4 times per month
6%
8%
     Several times a week
0%
8%
     Almost every day
65%
62%

SD = Standard Deviation

Richardson et al. International Journal of Behavioral Nutrition and Physical Activity 2007 4:59   doi:10.1186/1479-5868-4-59