Table 1

Baseline characteristics of the study population

Metabolic syndromeP
NoYes
n702665
Characteristic
Sex, %
 Men49.338.4<0.01
 Women50.761.6
Age (years), mean (SD)*71.0 (8.0)71.0 (7.4)0.94
Ethnicity, %
 Non-Hispanic white80.984.30.14
 Non-Hispanic black9.18.1
 Hispanic3.33.8
 Other6.73.8
Education, %
 <High school23.726.5<0.01
 High school25.232.6
 >High school51.140.9
Smoking, %
 Never39.645.70.14
 Former47.940.6
 Current12.513.7
Alcohol, %
 Never11.220.2<0.01
 Former30.130.4
 Current55.646.4
 Missing3.12.9
BMI (kg/m2), mean (SD)25.7 (4.7)31.0 (5.5)<0.01
Waist circumference (cm), mean (SD)93.3 (12.4)107.3 (12.2)<0.01
HDL cholesterol (mg/dL), mean (SD)63.3 (16.7)47.8 (13.4)<0.01
Triglycerides (mg/dL), median (interquartile range)104.7 (79.8–128.0)178.3 (133.5–231.5)<0.01
Glucose (mg/dL), median (interquartile range)97.0 (92.2–105.7)109.9 (101.4–123.9)<0.01
Systolic blood pressure (mmHg), mean (SD)125.3 (19.7)140.4 (19.3)<0.01
Diastolic blood pressure (mmHg), mean (SD)65.0 (12.0)66.9 (14.2)0.05
Diabetes, %9.624.8<0.01
Heart disease, %10.014.20.01
Moderate-to-vigorous physical activity (min), median (interquartile range)6.9 (1.9–17.9)3.2 (1.2–8.3)<0.01
Average count value during active minutes, median (interquartile range)533.9 (408.5–662.0)462.7 (380.1–568.6)<0.01
  • *Average age not representative of study population; NHANES groups all people ≥85 years of age and older as 85-years-old.