Table 2.
Mean demographic and cardiometabolic factors of individuals aged ≥40 years by both peripheral neuropathy* and PVD† statuses combined, NHANES III, 2001–2004
| Both | Neither | P‡ | |
|---|---|---|---|
| Proportion (%) | 2.4 (0.3) | 97.6 (0.3) | |
| Age (years) | 66.4 (2.5) | 56.2 (0.3) | <0.0001 |
| Sex (%) | |||
| Male | 74.1 (6.5) | 47.3 (0.9) | 0.0006 |
| Female | 25.9 (6.5) | 52.7 (0.9) | |
| Race/ethnicity (%) | |||
| White | 82.4 (5.4) | 77.7 (2.2) | Reference |
| Black | 9.2 (3.1) | 9.4 (1.2) | 0.6 |
| Other | 8.4 (3.7) | 12.9 (1.8) | 0.3 |
| Education (%) | |||
| Less than high school | 31.3 (7.4) | 18.6 (1.0) | 0.09 |
| High school or equivalent | 15.9 (5.7) | 25.9 (1.0) | Reference |
| More than high school | 52.8 (8.0) | 55.5 (1.5) | 0.8 |
| Weight (kg) | 88.1 (3.4) | 81.6 (0.6) | 0.05 |
| Waist circumference (cm) | 105.9 (2.6) | 98.9 (0.4) | 0.006 |
| BMI (kg/m2) | 29.4 (1.1) | 28.5 (0.2) | 0.4 |
| Glucose (mg/dL) | 114.6 (6.1) | 105.4 (0.7) | 0.02 |
| Diabetes (%) | 48.2 (8.9) | 14.6 (0.9) | <0.0001 |
| Lipid levels (mg/dL) | |||
| HDL cholesterol | 47.9 (2.5) | 53.0 (0.7) | 0.1 |
| LDL cholesterol | 110.1 (4.5) | 123.6 (1.2) | 0.01 |
| Triglycerides | 174.2 (17.7) | 160.7 (5.9) | 0.4 |
| Blood pressure (mmHg) | |||
| Systolic | 128.6 (2.9) | 127.6 (0.6) | 0.7 |
| Diastolic | 64.6 (2.3) | 72.8 (0.4) | <0.0001 |
| Hypertension (%) | 68.8 (6.7) | 56.1 (1.6) | 0.08 |
Data are means (SE) for continuous variables and percentage (SE) for categorical variables.
*Peripheral neuropathy defined as one or more insensate sites on either foot.
†PVD defined as an ABPI <0.90.
‡P values obtained from bivariate logistic regression. Statistical significance considered P value <0.05.