Table 1 Demographic characteristics of participants included in this study.

From: Impact of analytical and biological variations on classification of diabetes using fasting plasma glucose, oral glucose tolerance test and HbA1c

N = 3326

Frequency/Mean

Percent (%)/SD

Ethnicity

Chinese

1097

33

Malay

950

29

Indian

1014

30

Others

265

8

Gender

Male

1589

48

Female

1737

52

Age (years)

19 and below

105

3

20–24

268

8

25–29

295

9

30–34

370

11

35–39

446

13

40–44

449

14

45–49

446

13

50–54

333

10

55–59

231

7

60–64

147

5

65 and above

236

7

Body Mass Index (BMI)*

Underweight

164

5

Normal

1432

43

Overweight

1197

36

Obese

531

16

Laboratory test

Fasting Plasma Glucose

5.4 mmol/L

1.2

OGTT

7 mmol/L

3.2

HbA1c

5.8%

0.7

  1. *2 subjects did not have their BMI recorded in the survey.
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