Table 2

Sample characteristics

Measure
N
Percent
Min
Max
Mean
Median
Sd

Covariates







Males
702
35.19





White persons
713
81.21





College Degree
706
28.90





Married
705
58.87





Own home
704
75.28













Age in years
703

24.00
86.00
47.04
45.00
13.73
Household income, $1000
557

5.00
90.00
47.41
45.00
24.76
Housing tenure in years
703

0.08
59.00
12.31
8.00
12.75
Overall health (5 = Excellent)
705

1.00
5.00
3.66
4.00
0.91
BMI
693

16.23
66.20
28.36
27.18
6.60








Outcomes







Travel walking (mets)
702

0.00
4158.00
263.10
16.50
583.28
Leisure walking (mets)
702

0.00
4158.00
322.17
148.50
496.97
Mean miles walked per day
713

0.00
19.09
1.06
0.40
1.93
Mean total activity count per day
713

24.62
888.72
223.87
206.27
100.20








Exposures







Density (persons/hectare)
36

3.55
48.91
21.72
22.30
12.39
Block size (hectares)
36

1.01
10.21
3.07
2.64
1.96

Oakes et al. Epidemiologic Perspectives & Innovations 2007 4:16   doi:10.1186/1742-5573-4-16