Table 3.
Variables associated with walking distance: multivariable analyses based on accelerated failure time models.
Variable | Model 1 | Model 2 | Model 3 | |||
---|---|---|---|---|---|---|
β ± SE | P | β ± SE | P | β ± SE | P | |
Age, years | −0.015 ± 0.015 | 0.33 | −0.013 ± 0.016 | 0.43 | −0.011 ± 0.016 | 0.48 |
Female sex | −0.075 ± 0.231 | 0.74 | 0.071 ± 0.251 | 0.78 | 0.072 ± 0.249 | 0.77 |
Body mass index, kg/m2 | −0.051 ± 0.023 | 0.023 | −0.041 ± 0.023 | 0.07 | −0.044 ± 0.024 | 0.063 |
Resting heart rate, bpm | −0.008 ± 0.010 | 0.43 | −0.008 ± 0.009 | 0.4 | −0.007 ± 0.009 | 0.45 |
MAP, mmHg | 0.006 ± 0.009 | 0.47 | −0.015 ± 0.011 | 0.17 | 0.015 ± 0.011 | 0.17 |
Smoking history | −0.504 ± 0.325 | 0.12 | −0.497 ± 0.323 | 0.12 | −0.487 ± 0.321 | 0.13 |
Diabetes | 0.302 ± 0.259 | 0.28 | 0.008 ± 0.015 | 0.24 | 0.320 ± 0.264 | 0.23 |
Log baPWV, m/s | −3.801 ± 1.597 | 0.017 | −3.440 ± 1.618 | 0.034 | −3.550 ± 1.632 | 0.03 |
Brachial PP, mmHg | – | −0.019 ± 0.012 | 0.13 | −0.019 ± 0.012 | 0.13 | |
Ankle-brachial index | – | 0.227 ± 0.580 | 0.7 | |||
R2 | 0.17 | 0.18 | 0.18 |