Table 4.
Bootstrap results of mediating analysis.
| Mediating variables | Physical activity intensity | Physical activity duration | ||||
|---|---|---|---|---|---|---|
| BMI | Direct effects | Indirect effects | Total effects | Direct effects | Indirect effects | Total effects |
| Density | ||||||
| Population Density | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 | 0.0000 |
| Diversity | ||||||
| Land-use mix | 0.3841a (92.33%)b |
−0.1127*** (−27.09%) |
0.4160 | 0.3841 (92.33%) |
0.1446*** (34.76%) | 0.4160 |
| Design | ||||||
| Road-net density | −0.0117 (90.70%) | −0.0006 (4.65%) |
−0.0129 | −0.0117 (90.70%) |
−0.0006 (4.65%) | −0.0129 |
| Distance to transit | ||||||
| Bus stop | 0.0045 (73.77%) | 0.0002 (3.28%) |
0.0061 | 0.0045 (73.77%) |
0.0014*** (22.95%) | 0.0061 |
| Destination accessibility | ||||||
| Hospital | −0.0443 (133.03%) | −0.0005 (1.50%) |
−0.0333 | −0.0443 (133.03%) |
0.0115*** (−34.53%) | −0.0333 |
| Park | 0.0737*** (106.50%) |
−0.0014*** (−2.02%) |
0.0692** |
0.0737*** (106.50%) |
−0.0032*** (−4.62%) | 0.0692** |
| Gym | −0.0044 (38.26%) |
−0.0015*** (13.04%) |
−0.0115 | −0.0044 (38.26%) |
−0.0056*** (48.70%) | −0.0115 |
| Fast food restaurant | 0.0050 (73.53%) |
0.0022*** (32.35%) |
0.0068* | 0.0050 (73.53%) |
−0.0004*** (−5.88%) | 0.0068* |
a
The coefficients of direct, indirect, and total effects.
b
The proportion of direct and indirect effects in total effects.
The significant coefficients are in bold.
***
p < 0.001;
**
p < 0.01;
*
p < 0.05.