Table 3.
Baseline survey |
Follow-up survey |
Change
a
|
p-value b | ||||
---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | ||
Measures of walking behavior |
|
|
|
|
|
|
|
Walking distance (meters) |
3206.25 |
1176.51 |
3290.11 |
2019.95 |
83.86 |
2011.93 |
0.03 |
Walking ratio |
0.89 |
0.55 |
0.9 |
0.92 |
0.01 |
0.11 |
0.02 |
Walked altitude range (meters) |
100.42 |
96.5 |
99.2 |
64.19 |
−1.22 |
42.56 |
0.05 |
Measures of the built environment |
|
|
|
|
|
|
|
Exposure to work area |
165487.94 |
59754.43 |
177728.62 |
63550.89 |
32072.23 |
77222.46 |
0.04 |
Exposure to life area |
54951.15 |
25023.8 |
54786.02 |
24717.66 |
20847.84 |
32900.71 |
n.s.c |
Exposure to pedestrian network intersection |
54.42 |
29.73 |
62.75 |
32.91 |
7.9 |
38.56 |
0.01 |
Exposure to regular bus stops |
5.82 |
5.17 |
16.93 |
10.57 |
10.64 |
10.87 |
<0.001 |
Exposure to middle-class bus stops |
10.76 |
10.56 |
6.31 |
5.29 |
−3.64 |
9.48 |
<0.001 |
Exposure to population density | 0.34 | 0.12 | 0.43 | 0.16 | 0.1 | 0.17 | <0.001 |
aEach subject’s change in exposure is calculated using follow-up survey minus baseline survey data.
bp refers to the result of t-test comparing the mean in the baseline survey with that in the follow-up survey.
cn.s. = not significant; p > .05.