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Table 2 Biochemical characteristics of the study subjects

From: Shift work is associated with metabolic syndrome in male steel workers-the role of resistin and WBC count-related metabolic derangements

Parameter

Shift work

Day work

p value

No

870

862

 

Age (years, mean ± SD)

42 ± 8

43 ± 8

0.79

Systolic blood pressure (mmHg)

130 ± 16

126 ± 15

< 0.0001

Diastolic blood pressure (mmHg)

84 ± 12

81 ± 11

< 0.0001

Body mass index (kg/m2)

26.0 ± 4.0

25.6 ± 3.8

0.03

Waist circumference (cm)

88.1 ± 10.1

81.5 ± 10.6

< 0.0001

Fasting glucose (mmol/L)

5.4 ± 0.8

5.2 ± 0.4

0.02

HbA1C (%)

5.6 ± 0.7

5.5 ± 0.7

0.31

Total cholesterol (mmol/L)

5.1 ± 1.1

5.0 ± 0.9

0.30

Triglyceride (mmol/L)

1.7 ± 1.1

1.3 ± 0.9

0.002

HDL-cholesterol (mmol/L)

1.2 ± 0.3

1.3 ± 0.4

0.002

LDL-cholesterol (mmol/L)

2.9 ± 0.9

2.7 ± 0.8

0.19

Uric acid (μmol/L)

392.6 ± 77.3

362.8 ± 89.2

0.02

Total WBC count (109/L)

6.865 ± 1.819

6.304 ± 1.547

< 0.0001

Resistin (ng/mL)a

13 ± 10

10 ± 7

0.02

  1. Data are mean ± SD
  2. HDL high-density lipoprotein, LDL low-density lipoprotein, WBC white blood cell. p values were calculated using the independent sample t test for numerical data
  3. aResistin levels were measured in 107 shift workers and 100 day workers