Table III.
Regression coefficient summary for independent variables in univariate regressions on health-related quality of life physical function and role limitations due to emotional problems.
| Variables | Physical Function | Role Limitations due to Emotional Problems |
|---|---|---|
| Estimate (95% CI) | Estimate (95% CI) | |
| Age (years) | 0.41 (0.12, 0.69)† | 0.29 (−0.27, 0.85) |
| Weight (kg) | −0.04 (−0.20, 0.11) | −0.07 (−0.37, 0.23) |
| Height (cm) | 0.43 (0.13, 0.74)† | 0.18 (−0.42, 0.77) |
| Body Mass Index (kg/m2) | −0.43 (−0.87, 0.02) | −0.21 (−1.08, 0.65) |
| Ankle/Brachial Index | 9.86 (−1.82, 21.55) | −5.51 (−28.15, 17.13) |
| Claudication Onset Time (sec) | 0.05 (0.04, 0.07)‡ | 0.03 (−0.01, 0.06) |
| Peak Walking Time (sec) | 0.05 (0.04, 0.06)‡ | 0.03 (0.01, 0.05)* |
| 6-Minute Walk Distance (m) | 0.17 (0.10, 0.15)‡ | 0.06 (0.00, 0.12)* |
| Gait Speed – 4 Meter Walk (m/sec) | 32.73 (20.19, 45.26)‡ | 22.55 (−2.86, 47.96) |
| WIQ Distance Score (%) | 0.41 (0.34, 0.48)‡ | 0.29 (0.12, 0.45)† |
| WIQ Speed Score (%) | 0.62 (0.53, 0.71)‡ | 0.36 (0.13, 0.58)† |
| WIQ Stair Climbing Score (%) | 0.47 (0.40, 0.55)‡ | 0.35 (0.17, 0.53)‡ |
| Mini-Mental State Examination Score (points) | 1.36 (−0.26, 2.98) | 2.18 (−0.94, 5.30) |
| Daily Walking (strides/day) | 0.004 (0.00, 0.01)‡ | 0.002 (−0.00, 0.01) |
| Daily Walking Cadence (strides/min) | 2.37 (1.39, 3.34)‡ | 2.21 (0.26, 4.16)* |
| ADL 1 – Walking Across a Small Room | −24.60 (−32.37, −16.83)‡ | −19.40 (−35.46, −3.35)* |
| ADL 2 – Bathing | −21.95 (−28.75, −15.15)‡ | −20.12 (−34.14, −6.10)† |
| ADL 3 – Transferring from a Bed to a Chair | −19.42 (−28.48, −10.37)‡ | −52.21 (−68.96, −35.46)‡ |
| ADL 4 – Toileting | −18.10 (−27.21, −9.00)‡ | −31.22 (−48.78, −13.44)† |
| ADL 5 – Walk Up and Down Stairs Without Help | −20.10 (−25.84, −14.37)‡ | −15.07 (−27.11, −3.04)† |
| ADL 6 – Walk a Half Mile Without Help | −16.89 (−24.41, −9.36)‡ | −11.46 (−26.52, 3.61) |
| Sex=Men | 9.62 (4.19, 15.05)† | 2.69 (−8.07, 13.44) |
| Race=Caucasian | 2.87 (−2.71, 8.44) | 6.28 (−4.44, 17.01) |
| Current Smoking=yes | 0.20 (−5.65, 6.041) | 3.13 (−8.12, 14.39) |
| Hypertension=yes | −4.21 (−12.92, 4.50) | 9.65 (−7.12, 26.41) |
| Dyslipidemia=yes | −8.01 (−17.37, 1.35) | 2.98 (−15.17, 21.13) |
| Diabetes=yes | −9.94 (−15.41, −4.48)‡ | −7.38 (−18.13, 3.46) |
| Metabolic Syndrome=yes | −6.94 (−14.21, 0.33) | −0.36 (−14.46, 13.79) |
| Abdominal Obesity=yes | −7.17 (−12.71, −1.62)* | −2.17 (−13.02, 8.67) |
| Obesity=yes | −1.62 (−7.21, 3.97) | −6.06 (−16.81, 4.69) |
| Lower Extremity Revascularization=yes | −1.89 (−7.79, 4.01) | −3.34 (−14.70, 8.02) |
| Coronary Artery Disease=yes | −3.61 (−9.53, 2.31) | −1.04 (−12.49, 10.41) |
| Cerebrovascular Disease=yes | −3.79 (−11.25, 3.70) | −8.15 (−22.54, 6.24) |
| Chronic Kidney Disease=yes | −4.51 (−11.01, 1.99) | −3.50 (−16.08, 9.07) |
| Chronic Obstructive Pulmonary Disease=yes | −9.57 (−15.77, −3.37)† | −9.56 (−21.69, 2.58) |
| Falling History=yes | −3.02 (−9.14, 3.11) | −11.27 (−23.00, 0.47) |
| Fear of Falling=yes | −5.53 (−11.30, 0.79) | −22.33 (−33.67, −10.99)‡ |
| Stumbling While Walking=yes | −17.77 (−22.93, −12.61)‡ | −35.4 (−45.33, −25.60)‡ |
*
p > 0.05,
†
p < 0.01,
‡
p < 0.001.