Table 1.
Basic characteristics of participants.
| Characteristicsa | Total (n = 12,846) | Non-MetS (n = 8,489) | MetS (n = 4,357) | P-valuec |
|---|---|---|---|---|
| Age, years | 58.73 ± 13.09 | 58.65 ± 13.06 | 58.90 ± 13.14 | 0.289 |
| Sex | <0.001*** | |||
| Male | 5,907 (46.0) | 4,537 (52.4) | 1,370 (31.4) | |
| Female | 6,939 (54.0) | 3,952 (47.6) | 2,987 (68.6) | |
| Residence | <0.001*** | |||
| Rural | 7,984 (62.2) | 5,615 (66.1) | 2,369 (54.4) | |
| Urban | 4,862 (37.8) | 2,874 (33.9) | 1988 (45.6) | |
| Marital status | <0.001*** | |||
| Married | 11,183 (87.1) | 7,340 (87.5) | 3,753 (86.2) | |
| Single, divorced, and widowed | 1,663 (12.9) | 1,059 (12.5) | 604 (13.9) | |
| Education statusb | ||||
| Elementary school or blow | 7,244 (56.4) | 4,757 (56.0) | 2,487 (57.1) | 0.672 |
| Middle school or above | 3,203 (24.9) | 2,117 (24.9) | 1,086 (24.9) | |
| Smoking status | <0.001*** | |||
| Non-smoker | 7,408 (57.7) | 4,416 (52.0) | 2,992 (68.7) | |
| Smoker | 5,438 (42.3) | 4,073 (48.0) | 1,365 (31.3) | |
| Drinking statusb | ||||
| Non-drinker | 3,330 (25.9) | 2,471 (29.1) | 859 (19.7) | <0.001*** |
| Drinker | 9,506 (74.9) | 6,011 (70.8) | 3,495 (80.2) | |
| Cooking fuel useb | <0.001*** | |||
| Clean fuel | 4,549 (35.4) | 2,876 (33.9) | 1,673 (38.4) | |
| Non-clean fuel | 3,296 (25.7) | 2,331 (27.5) | 965 (22.1) | |
| Physical activityb | 125.77 ± 108.88 | 8,117 ± 6,665 | 6,434 ± 6,028 | <0.001*** |
| Waist circumference (WC), cm | 85.34 ± 13.11 | 80.75 ± 12.88 | 94.22 ± 7.99 | |
| Triglycerides (TG), mg/dL | 142.59 ± 90.92 | 113.25 ± 65.24 | 199.75 ± 105.52 | <0.001*** |
| High-density lipoprotein (HDL), mg/dL | 51.16 ± 11.46 | 53.82 ± 11.65 | 45.96 ± 9.07 | <0.001*** |
| Fasting blood glucose (FBG), mg/dL | 103.36 ± 35.19 | 96.60 ± 26.67 | 116.52 ± 44.76 | <0.001*** |
| Systolic blood pressure (SBP), mmHg | 128.31 ± 19.69 | 124.82 ± 19.12 | 135.12 ± 18.99 | <0.001*** |
| Diastolic blood pressure (DBP), mmHg | 75.46 ± 11.20 | 73.72 ± 10.85 | 78.84 ± 11.11 | <0.001*** |
aData was shown as mean ± standard deviation (SD) for continuous variables, and count (percentage, %) for categorical variables. bMissing values existed. Specifically, education status had 18.7% (2399) missing values, drinking status had 0.08% (10) missing values, cooking fuel use had 38.9% (5001) missing values and physical activity had 36.1% (4645) missing values. cP-value for significance test between MetS and non-MetS groups. *P-value < 0.05, **P-value < 0.01, ***P-value < 0.001.