Table 4.
Summary of Unadjusted and Adjusted association between Walking Activity (walk-MET hours/week) and Demographic variables, CRIC, United States, 2003–2008
| Univariable | Multivariable | ||||||
|---|---|---|---|---|---|---|---|
| Clinical characteristic | β | SE | P-value | β | SE | P-value | |
| Intercept | 53.33 | 5.80 | <0.001 | ||||
| HTN | −1.10 | 1.72 | 0.522 | 2.05 | 1.84 | 0.266 | |
| Hypercholesterolemia | −3.04 | 1.55 | 0.050 | ||||
| Smoking (overall) | <0.001 | 0.012 | |||||
| Former | −4.60 | 1.30 | <0.001 | −3.54 | 1.34 | 0.008 | |
| Current | 2.03 | 1.92 | 0.290 | 0.89 | 1.97 | 0.649 | |
| Diabetes | −4.00 | 1.22 | 0.001 | ||||
| Age | −0.36 | 0.05 | <0.001 | −0.31 | 0.06 | <0.001 | |
| CHF | −2.43 | 2.20 | 0.269 | ||||
| CAD | −4.59 | 1.54 | 0.003 | ||||
| Race (overall) | <0.001 | <0.001 | |||||
| Black | 3.99 | 1.29 | 0.002 | 4.66 | 1.36 | 0.001 | |
| Other | −3.48 | 2.00 | 0.081 | −2.55 | 2.17 | 0.240 | |
| BMI | −0.20 | 0.08 | 0.012 | −0.18 | 0.08 | 0.025 | |
| eGFR | 0.18 | 0.04 | <0.001 | 0.09 | 0.04 | 0.024 | |
| Sex (women) | −3.93 | 1.22 | 0.001 | −4.18 | 1.27 | 0.001 | |
| ABI (overall) | <0.001 | 0.037 | |||||
| ABI<0.6 | −7.08 | 3.99 | 0.076 | −4.36 | 4.02 | 0.278 | |
| ABI≥0.6<0.9 | −7.75 | 1.92 | <0.001 | −5.22 | 1.95 | 0.008 | |
| ABI ≥1.3 | −3.83 | 2.66 | 0.150 | −2.86 | 2.68 | 0.286 | |
| Clinical center (overall) | 0.005 | 0.166 | |||||
*
ABI-Ankle Brachial Index; BMI-Body Mass Index; CAD-coronary artery disease; CHF-congestive heart failure; eGFR-estimated glomerular filtration rate; SE-standard error
†
Covariates were added using forward selection method
‡
0.9≥ABI <1.3 used as the referent category