Table 1.
Demographic characteristics of the participants
| Variable | Total (n = 39,207) | With dyslipidemia (n = 14,744) | Without dyslipidemia (n = 24,463) | χ 2 /t | P |
|---|---|---|---|---|---|
| Age (years), mean ± SD | 55.60 ± 12.19 | 56.36 ± 11.42 | 55.14 ± 12.61 | 9.59 | < 0.001 |
| Men, n (%) | 15,464 (39.44) | 6216 (42.16) | 9248 (37.80) | 73.06 | < 0.001 |
| Marital status, n (%) | 2.61 | 0.106 | |||
| Married/cohabiting | 35,197 (89.77) | 13,283 (90.09) | 21,914 (89.58) | ||
| Widowed/single/divorced/separation | 4010 (10.23) | 1461 (9.91) | 2549 (10.42) | ||
| Education, n (%) | 2.27 | 0.322 | |||
| Primary school or lower education | 17,554 (44.77) | 6673 (45.26) | 10,881 (61.99) | ||
| Junior high school | 15,621 (39.84) | 5825 (39.51) | 9796 (40.04) | ||
| Senior higher education or above | 6032 (15.39) | 2246 (15.23) | 3786 (15.48) | ||
| Per capita monthly income, n (%) | 0.079 | 0.961 | |||
| ≤500 RMB | 13,989 (35.68) | 5252 (35.62) | 8737 (35.72) | ||
| 500 RMB ~ | 12,896 (32.89) | 4846 (32.87) | 8050 (32.91) | ||
| ≥1000 RMB | 12,322 (31.43) | 4646 (31.51) | 7676 (31.38) | ||
| Smoking, n (%) | 66.54 | < 0.001 | |||
| Never | 28,544 (72.80) | 10,388 (70.46) | 18,156 (74.22) | ||
| Light | 2200 (5.61) | 910 (6.17) | 1290 (5.27) | ||
| Moderate | 1770 (4.51) | 733 (4.97) | 1037 (4.24) | ||
| Heavy | 6693 (17.07) | 2713 (18.40) | 3980 (16.27) | ||
| Drinking, n (%) | 65.03 | < 0.001 | |||
| Never | 30,392 (77.52) | 11,155 (75.66) | 19,237 (78.64) | ||
| Low risk | 5440 (13.88) | 2144 (14.54) | 3296 (13.47) | ||
| Medium risk | 1846 (4.71) | 751 (5.09) | 1095 (4.48) | ||
| High risk | 1529 (3.90) | 694 (4.71) | 835 (3.41) | ||
| Adequate vegetable and fruit intake, n (%) | 16,370 (41.75) | 6195 (42.02) | 10,175 (41.59) | 0.70 | 0.404 |
| High fat diet, n (%) | 7472 (19.06) | 2777 (18.83) | 4695 (19.19) | 0.76 | 0.383 |
| Physical activity, n (%) | 202.35 | < 0.001 | |||
| Low | 12,691 (32.37) | 5335 (36.18) | 7356 (30.07) | ||
| Moderate | 14,791 (37.73) | 5512 (37.38) | 9297 (37.93) | ||
| High | 11,725 (29.91) | 3897 (26.43) | 7828 (32.00) | ||
| Positive family history, n (%) | 1393 (3.55) | 616 (4.18) | 777 (3.18) | 26.94 | < 0.001 |
| BMI (kg/m2), mean ± SD | 24.83 ± 3.57 | 26.06 ± 3.40 | 24.10 ± 3.46 | 54.60 | < 0.001 |
| FBG, mmol/L | 5.54 ± 1.51 | 5.84 ± 1.79 | 5.37 ± 1.28 | 29.89 | < 0.001 |
| SBP, mmHg | 125.95 ± 20.00 | 129.48 ± 19.75 | 123.83 ± 19.84 | 27.37 | < 0.001 |
| DBP, mmHg | 77.70 ± 11.64 | 80.23 ± 11.44 | 76.17 ± 11.50 | 33.94 | < 0.001 |
| TC, mmol/L | 4.76 ± 0.99 | 5.11 ± 1.23 | 4.55 ± 0.73 | 56.93 | < 0.001 |
| HDL-C, mmol/L | 1.32 ± 0.33 | 1.12 ± 0.32 | 1.45 ± 0.28 | − 103.84 | < 0.001 |
| LDL-C, mmol/L | 2.87 ± 0.82 | 3.08 ± 1.04 | 2.74 ± 0.62 | 39.40 | < 0.001 |
| TG, mmol/L | 1.68 ± 1.12 | 2.48 ± 1.43 | 1.20 ± 0.43 | 130.21 | < 0.001 |
BMI body mass index, FBG fasting blood glucose, SBP systolic blood pressure, DBP diastolic blood pressure, TC total cholesterol, HDL-C high-density lipoprotein cholesterol, LDL-C low-density lipoprotein cholesterol, TG triglycerides, and SD standard deviation