Table 1. Baseline characteristics of the two study populations¹⁾.

¹⁾Values expressed as mean ± SD or n (%).

²⁾T-test is used to compare the values of age, BMI, SBP, DBP between CHD and Non-CHD. Chi-squared test is used to compare the categorical variables.

^*P < 0.05

BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure. History of hypertension, Hypertension can be diagnosed by measuring SBP ≥ 140 mmHg and/or DBP ≥ 90 mmHg three times on different days without using antihypertensive drugs, or a history of hypertension diagnosis; History of hyperlipidemia, Hyperlipidemia is a systemic disease in which either TC or LDL or TG rise beyond the normal range; History of diabetes, Diabetes is defined as fasting blood glucose equal to or greater than 7.0 mmol/L, or elevated blood glucose with medication, or a history of diabetes diagnosis. Wine consumption is defined as the drinking of beverages containing ethyl alcohol. Nap is defined as a short period of sleep, typically taken during daytime hours as an adjunct to the usual nocturnal sleep period.