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Table 1 Characteristics of the participants by tertiles of serum uric acid

From: Association of Serum Uric Acid with cardio-metabolic risk factors and metabolic syndrome in seafarers working on tankers

Parameter

Serum Uric Acida

Tertile 1

Tertile 2

Tertile 3

P- value†

Mean age (year)

34.4 ± 9.8

37.2 ± 10.9

36.6 ± 10.0

0.21

Educational level

 Diploma

24 (29.3)b

25 (33.3)

22 (28.6)

0.78

 Academic

58 (70.7)

50 (66.7)

55 (71.4)

 

Job history

  = < 10 year

56 (68.3)

41 (54.7)

45 (58.4)

0.19

  > 10 year

26 (31.7)

34 (45.3)

32 (41.6)

 

Shift work

 No

22 (26.8)

26 (34.7)

22 (28.6)

0.53

 Yes

60 (73.2)

49 (65.3)

55 (71.4)

 

BMI category

 Normal

44 (53.7)

36 (48.0)

34 (47.2)

0.58

 Overweight

34 (41.5)

31 (41.3)

34 (47.2)

 

 Obese

4 (4.9)

8 (10.7)

4 (5.6)

 

Smoking status

 No

61 (74.4)

53 (70.7)

55 (71.4)

0.85

 Yes

21 (25.6)

22 (29.3)

22 (28.6)

 

Total

82 (35.0)

75 (32.0)

77 (32.9)

 
  1. BMI body mass index
  2. aThe ranges of serum uric acid levels are 1.6 mg/dl to 4.7 mg/dl for the 1st tertile, 4.7 mg/dl to 5.9 mg/dl for the 2nd tertile, and 5.9 mg/dl to 8.5 mg/dl for the 3rd tertile
  3. P-value of ANOVA for age and chi square for other variables
  4. bPercent are shown in parenthesis