Table 4 Serum uric acid according to sociodemographic characteristics, habits and menopause in reference and all sample for men and women

Ethnicity

Black

12.8

6.0 [5.2–7.0]

p = 0.237

13.9

6.2 [5.4–7.3]

p = 0.052

4.5 [3.8–5.2]

p = 0.01

4.7 [4.0–5.7]

p < 0.001

Brown

30.2

6.1 [5.3–7.0]

29.9

6.3 [5.4–7.3]

4.5 [3.9–5.3]

4.7 [4.0–5.5]

White

53.7

6.2 [5.4–7.0]

53.0

6.3 [5.5–7.3]

4.5 [3.9–5.3]

4.6 [3.9–5.5]

Other

3.3

5.9 [5.1–6.8]

3.2

6.1 [5.2–7.1]

4.9 [4.3–5.5]

5.0 [4.4–5.7]

Educational level (years)

< 9

14.2

6.2 [5.2–7.1]

p for trend = 0.360

16.6

6.3 [5.4–7.3]

p = 0.034

4.7 [4.0–5.5]

p for trend < 0.001

5.0 [4.2–6.0]

p for trend < 0.001

9–11

33.3

6.1 [5.4–7.0]

33.0

6.3 [5.5–7.3]

4.5 [3.9–5.3]

4.7 [4.0–5.6]

> 11

52.5

6.1 [5.3–7.0]

50.4

6.3 [5.5–7.2]

4.5 [3.9–5.2]

4.6 [3.9–5.4]

Mean month family income (US$)

< 1245

26.2

6.1 [5.3–7.0]

p for trend = 0.994

26.4

6.3 [5.4–7.3]

p for trend = 0.899

4.5 [3.9–5.3]

p for trend = 0.775

4.8 [4.0–5.7]

p for trend < 0.001

1246–3319

42.5

6.1 [5.3–7.0]

41.6

6.3 [5.4–7.3]

4.5 [3.9–5.2]

4.6 [3.9–5.5]

> 3320

31.3

6.1 [5.4–6.9]

32.0

6.3 [5.5–7.2]

4.5 [3.9–5.3]

4.6 [4.0–5.4]

Smoking status

Never

56.1

6.0 [5.3–6.9]

p = 0.009

50.3

6.2 [5.4–7.1]

p < 0.001

4.4 [3.8–5.2]

p < 0.001

4.6 [3.9–5.4]

p < 0.001

Former

31.1

6.3 [5.5–7.2]

35.4

6.5 [5.6–7.5]

4.7 [4.0–5.5]

4.8 [4.1–5.7]

Current

12.8

6.0 [5.2–6.9]

14.3

6.2 [5.4–7.1]

4.5 [3.9–5.3]

4.7 [4.0–5.6]

Menopause

Yes

–

–

–

–

–

–

4.7 [4.0–5.4]

p < 0.001

4.9 [4.1–5.8]

p < 0.001

No

–

–

–

–

–

4.3 [3.8–5.3]

4.4 [3.8–5.1]

Physical activity

Poor

54.1

6.2 [5.4–7.0]

p for trend = 0.01

56.0

6.3 [5.5–7.4]

p < 0.001

4.5 [3.9–5.3]

p for trend < 0.001

4.7 [4.0–5.6]

p for trend < 0.001

Intermediate

14.2

6.1 [5.3–6.9]

14.4

6.3 [5.4–7.2]

4.5 [3.9–5.1]

4.6 [4.0–5.4]

Ideal

31.7

6.0 [5.3–7.0]

29.6

6.2 [5.4–7.1]

4.4 [3.8–5.2]

4.5 [3.9–5.3]