Table 2 Basic statistics for participants by sex.

Number of samples

4182 (47.3%)

4658 (52.7%)

E0: Age (year)

51.78 ± 8.78

52.61 ± 9.01

E1: Education

 ≤ Elementary school

834 (20.0%)

2074 (45.0%)

 Middle-high school

2439 (58.6%)

2262 (49.1%)

 ≥ College

888 (21.4%)

271 (5.9%)

E2: Household income (monthly)

 < 1000 USD**

556 (13.4%)

1125 (24.8%)

 1000–1999 USD

1209 (29.2%)

1498 (33.0%)

 2000–2999 USD

1458 (35.2%)

1306 (28.8%)

 ≥ 3000 USD

918 (22.2%)

611 (13.5%)

E3: Alcohol (g/day)

18.96 ± 28.8

1.31 ± 5.8

E4: Smoking (pack-years)

19.43 ± 18.4

0.41 ± 2.9

E5: Physical activity (MET min/week)

9747.33 ± 6450.82

9203.32 ± 6228.25

E6: Total energy(kcal/day)

2029.71 ± 654.08

1887.96 ± 742.03

E7: Protein intake (g)

70.02 ± 28.44

63.60 ± 30.99

E8: Fat intake (g)

36.13 ± 20.77

29.34 ± 20.90

E9: Carbohydrate intake (g)

350.59 ± 106.93

338.13 ± 127.63

MetS1: Abdominal obesity

803 (19.2%)

2500 (53.7%)

MetS2: Triglyceride

2032 (48.6%)

1666 (35.8%)

MetS3: HDL-C

1549 (37.1%)

3267 (70.2%)

MetS4: Hypertension

1952 (46.7%)

1912 (41.1%)

MetS5: Fasting glucose

731 (18.6%)

508 (11.6%)