Table 2.
Descriptive statistics for the fixed effects covariates
| Covariate | Mean | sd |
|---|---|---|
| Age (years) | 62.89 | 10.32 |
| Gender | 0.51 | 0.49 |
| Height (cm) | 166.43 | 10.23 |
| Ethnicity: Caucasian | 0.39 | 0.49 |
| Ethnicity: Hispanic | 0.23 | 0.42 |
| Ethnicity: African-American | 0.25 | 0.43 |
| Ethnicity: Chinese-American | 0.13 | 0.34 |
| Smoking: Never | 0.51 | 0.50 |
| Smoking: Former | 0.12 | 0.33 |
| Smoking: Current | 0.38 | 0.48 |
| LDL cholesterol (mg/dL) | 117.67 | 31.04 |
| HDL cholesterol (mg/dL) | 51.29 | 14.41 |
| Systolic blood pressure (mmHg) | 126.92 | 21.54 |
| Blood pressure treatment | 0.38 | 0.49 |
| Diabetes | 0.14 | 0.34 |
| Lipids treatment | 0.17 | 0.37 |