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Table 1 Characteristics of participants included in NHANES 2007–2010 analyses (n = 8,760)

From: Association between dietary intake of flavonoids and hyperuricemia: a cross-sectional study

Variable

Total

(n = 8,760)

Non-Hyperuricemia(n = 7,038, 80.34%)

Hyperuricemia

(n = 1,722, 19.66%)

Age (years)

47.01(0.35)

46.11(0.35)

50.91(0.48)

Sex

 Male

4,392(50.14)

3,439(47.52)

953(57.22)

 Female

4,368(49.86)

3,599(52.48)

769(42.78)

Race/ethnicity

 White

4,448(71.92)

3,544(71.68)

904(72.99)

 Black

1,567(10.12)

1,179(9.75)

388(11.73)

 Mexican–American

1,517(8.05)

1,292(8.41)

225(6.47)

 Other

1,228(9.91)

1,023(10.16)

205(8.81)

Poverty status

 No

6,960(86.50)

5,581(86.35)

1,379(87.16)

 Yes

1,800(13.50)

1,457(13.65)

343(12.84)

Education

 Less than high school

2,450(18.50)

1,970(18.53)

480(18.40)

 Completed high school

2,077(23.73)

1,637(22.91)

440(27.36)

 More than high school

4,233(57.76)

3,431(58.57)

802(54.24)

BMI

  < 25

2,457(30.81)

2,242(34.92)

215(12.79)

  ≥ 25

6,303(69.19)

4,796(65.08)

1,507(87.21)

Alcohol consumption

 Never

2,829(32.29)

2,227(26.06)

602(28.67)

 Mild

2,762(31.53)

2,230(35.34)

532(33.94)

 Moderate

1,285(14.67)

1,062(16.84)

223(14.29)

 Heavy

1,884(21.51)

1,519(21.77)

365(23.10)

Smoking status

 Never

4,581(53.56)

3,744(54.06)

837(51.35)

 Former

2,253(25.17)

1,682(23.83)

571(31.02)

 Now

1,926(21.27)

1,612(22.10)

314(17.63)

Hyperlipidemia

 No

2,191(26.44)

1,915(28.71)

276(16.54)

 Yes

6,569(73.56)

5,123(71.29)

1,446(83.46)

Chronic kidney disease

 No

7,211(86.73)

6,034(88.95)

1,177(76.99)

 Yes

1,549(13.27)

1,004(11.05)

545(23.01)

Diabetes mellites

 No

7,141(86.51)

5,904(88.26)

1,237(78.86)

 Yes

1,619(13.49)

1,134(11.74)

485(21.14)

Hypertension

 No

5,035(63.41)

4,414(67.91)

621(43.71)

 Yes

3,725(36.59)

2,624(32.09)

1,101(56.29)

Uricacid (mg/dl)

5.49(0.03)

5.03(0.02)

7.51(0.03)

Isoflavones (mg)

1.68(0.18)

1.79(0.20)

1.21(0.23)

Anthocyanidins (mg)

12.84(0.96)

13.37(1.03)

10.56(1.39)

Flavan-3-ols (mg)

201.59(10.07)

193.61(9.18)

236.53(25.64)

Flavanones (mg)

13.16(0.51)

13.67(0.58)

10.94(0.78)

Flavones (mg)

0.92(0.04)

0.93(0.05)

0.87(0.04)

Flavonols (mg)

20.41(0.52)

20.11(0.52)

21.72(1.05)

All of flavonoids (mg)

250.61(10.67)

243.48(9.92)

281.82(26.51)

  1. Continuous data were displayed as weighted means (standard errors), while categorical variables were exhibited as unweighted numbers (weighted percentages)
  2. BMI Body mass index, NHANES The national health, and nutrition examination survey