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Table 2 Baseline characteristic of the participants by SUA quartile categories and sex

From: The dose-response relationship of serum uric acid with Dyslipidaemia and its components: a cross-sectional study of a Chinese multi-ethnic cohort

Quartile of SUA-Men Quartile of SUA-Women
  Q1 (n = 1351) (≤5.45 mg/dL) Q2 (n = 1347) (5.46–6.38 mg/dL) Q3 (n = 1341) (6.39–7.40 mg/dL) Q4 (n = 1363) (≥7.41 mg/dL) P value Q1 (n = 3982) (≤ 4.14 mg/dL) Q2 (n = 4098) (4.15–4.83 mg/dL) Q3 (n = 4099) (4.84–5.69 mg/dL) Q4 (n = 3913) (≥5.70 mg/dL) P value
Ethnicity, n (%)      < 0.001      < 0.001
 Dong 489 (36.2%) 493 (36.6%) 586 (43.7%) 591 (43.4%)   957 (35.3%) 989 (37.6%) 1012 (37.9%) 1136 (42.4%)  
 Bouyei 455 (33.7%) 393 (29.2%) 338 (25.2%) 340 (24.9%)   1074 (39.6%) 903 (34.4%) 847 (31.7%) 739 (27.6%)  
 Miao 407 (30.1%) 461 (34.2%) 417 (31.1%) 432 (31.7%)   683 (25.2%) 735 (28.0%) 811 (30.4%) 804 (30.0%)  
Area      < 0.001      < 0.001
 Rural 1130 (83.8%) 1047 (78.0%) 984 (73.7%) 1013 (74.5%)   2316 (85.4%) 2156 (82.2%) 2083 (78.1%) 2032 (76.0%)  
 City 219 (16.2%) 296 (22.0%) 351 (26.3%) 347 (25.5%)   395 (14.6%) 468 (17.8%) 583 (21.9%) 640 (24.0%)  
Age (years) 54.0 (46.6–63.9) 52.5 (44.7–62.3) 52.0 (44.2–61.9) 52.7 (44.5–62.3) < 0.001 49.0 (42.3–56.1) 49.6 (42.9–56.2) 51.0 (44.0–58.5) 53.8 (46.3–62.2) < 0.001
Educational level, n (%)      < 0.001      < 0.001
 Low 747 (55.3%) 651 (48.3%) 592 (44.1%) 633 (46.4%)   1908 (70.3%) 1753 (66.7%) 1693 (63.4%) 1810 (67.6%)  
 Medium 475 (35.2%) 512 (38.0%) 534 (39.8%) 504 (37.0%)   629 (23.2%) 676 (25.7%) 755 (28.3%) 673 (25.1%)  
 High 129 (9.5%) 184 (13.7%) 215 (16.0%) 226 (16.6%)   177 (6.5%) 198 (7.5%) 222 (8.3%) 196 (7.3%)  
Occupation, n (%)      < 0.001      < 0.001
 low 286 (21.2%) 281 (20.9%) 324 (24.2%) 327 (24.1%)   725 (26.8%) 782 (29.8%) 931 (34.9%) 1139 (42.5%)  
 medium 165 (12.2%) 230 (17.1%) 262 (19.6%) 262 (19.3%)   334 (12.3%) 368 (14.0%) 372 (14.0%) 302 (11.3%)  
 High 897 (66.5%) 832 (62.0%) 753 (56.2%) 770 (56.7%)   1650 (60.9%) 1476 (56.2%) 1362 (51.1%) 1238 (46.2%)  
Smoking status, n (%)      0.497      0.780
 Never 569 (42.1%) 565 (41.9%) 573 (42.7%) 553 (40.6%)   2703 (99.6%) 2611 (99.4%) 2652 (99.3%) 2669 (99.6%)  
 Past 131 (9.7%) 129 (9.6%) 153 (11.4%) 149 (10.9%)   3 (0.1%) 0 (0.0%) 2 (0.1%) 4 (0.1%)  
 Current 651 (48.2%) 653 (48.5%) 615 (45.9%) 661 (48.5%)   8 (0.3%) 16 (0.60%) 16 (0.60%) 6 (0.2%)  
Alcohol drinking status, n (%)      0.331      0.005
 Yes 80 (5.9%) 92 (6.8%) 94 (7.0%) 105 (7.7%)   30 (1.1%) 39 (1.5%) 53 (2.0%) 61 (2.3%)  
 No 1271 (94.1%) 1255 (93.2%) 1247 (93.0%) 1258 (92.3%)   2684 (98.9%) 2588 (98.5%) 2617 (98.0%) 2618 (97.7%)  
Tea, n (%)      < 0.001      0.306
 Yes 229 (17.0%) 293 (21.8%) 296 (22.1%) 366 (26.9%)   190 (7.0%) 193 (7.3%) 215 (8.1%) 219 (8.2%)  
 No 1122 (83.0%) 1054 (78.2%) 1045 (77.9%) 997 (73.1%)   2524 (93.0%) 2434 (92.7%) 2455 (91.9%) 2460 (91.8%)  
High blood pressure, n (%)      < 0.001      < 0.001
 Yes 402 (29.9%) 433 (32.2%) 492 (36.8%) 638 (46.9%)   483 (17.9%) 509 (19.4%) 612 (23.1%) 870 (32.6%)  
 No 941 (70.1%) 911 (67.8%) 846 (63.2%) 721 (53.1%)   2219 (82.1%) 2113 (80.6%) 2043 (76.9%) 1797 (67.4%)  
dyslipidaemia, n (%)      < 0.001      < 0.001
 Yes 343 (25.4%) 458 (34.0%) 581 (43.3%) 739 (54.2%)   433 (16.0%) 580 (22.1%) 759 (28.4%) 1090 (40.7%)  
 No 1008 (74.6%) 889 (66.0%) 760 (56.7%) 624 (45.8%)   2281 (84.0%) 2047 (77.9%) 1911 (71.6%) 1589 (59.3%)  
Diabetes, n (%)      < 0.001      < 0.001
 Yes 212 (15.8%) 146 (10.9%) 137 (10.2%) 186 (13.7%)   150 (5.5%) 144 (5.5%) 177 (6.6%) 340 (12.7%)  
 No 1131 (84.2%) 1190 (89.1%) 1201 (89.8%) 1173 (86.3%)   2561 (94.5%) 2479 (94.5%) 2485 (93.4%) 2332 (87.3%)  
Red meat, g/week 700.0 (350.0–1400.0) 700.0 (400.0–1400.0) 700.0 (420.0–1400.0) 700.0 (420.0–1400.0) 0.432 700.0 (350.0–1050.0) 700.0 (350.0–1050.0) 700.0 (350.0–1050.0) 700.0 (350.0–1050.0) 0.481
BMI, kg/m2 22.6 (20.7–25.0) 23.7 (21.5–25.9) 24.6 (22.3–26.7) 25.6 (23.1–27.8) < 0.001 23.5 (21.4–25.8) 23.5 (21.4–25.8) 24.4 (22.2–26.7) 25.7 (23.4–28.0) < 0.001
Physical activity, met/day 26.7 (15.0–40.6) 25.6 (13.4–39.2) 23.6 (13.3–37.9) 22.3 (12.1–36.6) < 0.001 26.6 (15.7–39.1) 25.3 (15.2–38.2) 24.1 (12.9–36.8) 21.1 (10.7–33.6) < 0.001
Total energy intake, kcal/week 11,751.4 (8930.7–14,843.1) 11,626.4 (9071.7–15,009.2) 11,639.8 (9274.3–14,619.6) 11,926.9 (9362.9–14,864.8) 0.546 10,033.5 (7750.8–12,613.7) 10,023.1 (7901.5–12,766.0) 9851.2 (7511.4–12,554.9) 9798.0 (7701.5–12,309.9) 0.490
Waist circumference, cm 80.0 (74.0–87.0) 83.2 (76.5–89.4) 86.0 (79.2–92.0) 89.0 (82.5–95.0) < 0.001 78.0 (72.0–84.0) 80.5 (73.7–86.8) 83.0 (76.5–89.0) 86.5 (80.1–93.0) < 0.001
Hips circumference, cm 90.5 (86.5–94.0) 92.0 (88.0–95.6) 93.0 (89.0–97.0) 94.0 (90.0–98.2) < 0.001 90.0 (86.0–93.6) 91.0 (86.5–95.0) 92.0 (88.0–96.0) 93.0 (89.0–97.5) < 0.001
Fresh fruits, g/week 240.0 (58.3–700.0) 300 (93.3–700.0) 300.0 (87.5–700.0) 350 (93.3–750.0) < 0.001 400.0 (116.7–875.0) 450.0 (140.0–1050.0) 500.0 (140.0–11,260.0) 500.0 (140.0–1050.0) < 0.001
Fresh vegetables, g/week 2100.0 (1400.0–3150.0) 2100.0 (1400.0–3150.0) 2100.0 (1400.0–2800.0) 2100.0 (1400.0–3150.0) 0.887 2100.0 (1400.0–2800.0) 2100.0 (1400.0–2800.0) 2100.0 (1400.0–3150.0) 2100.0 (1400.0–2800.0) 0.410
  1. Continuous variables are shown as medians (interquartile range), and categorical variables are shown as frequencies (percentages). Participant characteristics in each group were compared using the Kruskal-Wallis H test or the Chi-square test