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Table 1 The characteristics of participants

From: Association between hemoglobin within the normal range and hemoglobin A1c among Chinese non-diabetes adults

 

Men (n = 781)

Women (n = 878)

P value

Age (years)

37.70 ± 8.01

38.07 ± 7.67

0.335

Ethnicity (%)

0.883

 Han population

92.45

92.60

 

 Non- Han population

6.79

6.83

 

 Not recorded

0.77

0.57

 

Education level (%)

< 0.001

 None or grad from primary

14.85

26.54

 

 Middle school degree

60.82

52.73

 

 More than middle school

18.82

15.95

 

Not recorded

5.51

4.78

 

 Activities (%)

< 0.001

 Dislike

59.41

67.08

 

 Neutral

21.00

21.87

 

 Like

19.59

11.05

 

Smoking behavior (%)

< 0.001

 No

38.41

97.95

 

 Yes

61.59

2.05

 

Alcohol consumption (%)

< 0.001

 No

32.78

91.23

 

 Yes

67.22

8.77

 

 Body mass index (kg/m2)

23.92 ± 3.33

23.38 ± 3.32

< 0.001

 Total protein (g/L)

76.21 ± 4.65

77.06 ± 4.79

< 0.001

 Total cholesterol (mmol/L)

4.66 ± 0.93

4.46 ± 0.86

< 0.001

 Blood glucose (mmol/L)

5.00 ± 0.61

4.92 ± 0.55

0.004

 Alanine aminotransferase (U/L)

29.52 ± 21.56

19.83 ± 21.57

< 0.001

 Uric acid (umol/L)

347.59 ± 90.04

232.58 ± 60.62

< 0.001

 Serum creatinine (umol/L)

91.66 ± 10.97

74.07 ± 8.73

< 0.001

 White blood cell count (109/L)

6.63 ± 1.77

6.20 ± 1.86

< 0.001

 Red blood cell count (1012/L)

5.09 ± 0.43

4.50 ± 0.40

< 0.001

 Platelet count (109/L)

222.33 ± 60.93

233.84 ± 57.74

< 0.001

 Hemoglobin (g/dL)

15.60 ± 0.95

13.37 ± 0.88

< 0.001

 Hemoglobin A1c (%)

5.51 ± 0.37

5.45 ± 0.36

< 0.001

  1. Mean ± SD for continuous variables: P value was calculated by one-way ANOVA (normal distribution) and Kruskal-Wallis H (skewed distribution) test
  2. % for categorical variables: P value was calculated by chi-square test