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Table 1 Baseline characteristics of eligible participants in the study

From: The Jidong Eye Cohort Study: objectives, design, and baseline characteristics

Characteristics

Total

Male

Female

P value

n

3377

1568

1809

 

Age (SD), years

45.0 (12.5)

45.1 (12.5)

44.9 (12.6)

0.61

Education level, n (%)

  

 < 0.001

Illiteracy / Primary School

108 (3.2)

30 (1.9)

78 (4.3)

 

Middle School

978 (29.2)

405 (26.0)

573 (31.9)

 

College / University

2268 (67.6)

1122 (72.1)

1146 (63.8)

 

Income, n (%)

   

 < 0.001

 < ¥3,000

284 (8.5)

91 (5.8)

193 (10.8)

 

¥3,000–5,000

2999 (89.4)

1433 (92.0)

1566 (87.2)

 

 > ¥5,000

70 (2.1)

34 (2.2)

36 (2.0)

 

Current Smoking, n (%)

631 (18.8)

615 (39.3)

16 (0.9)

 < 0.001

Current Drinking, n (%)

456 (13.6)

447 (28.7)

9 (0.5)

 < 0.001

Hypertension, n (%)

825 (25.0)

531 (34.3)

294 (16.8)

 < 0.001

Diabetes, n (%)

258 (7.7)

163 (10.5)

95 (5.3)

 < 0.001

Hyperglycemia, n (%)

474 (14.2)

292 (18.8)

182 (10.2)

 < 0.001

BMI (kg/m2)

24.5 ± 3.5

25.6 ± 3.2

23.4 ± 3.3

 < 0.001

Fasting Glucose (mmol/L)

5.6 ± 1.4

5.8 ± 1.6

5.4 ± 1.2

 < 0.001

Total Cholesterol (mmol/L)

5.0 ± 1.0

5.0 ± 1.0

5.0 ± 1.0

0.781

Triglycerides (mmol/L)

1.8 ± 1.4

2.1 ± 1.6

1.5 ± 1.1

 < 0.001

MMSE score

28.3 ± 2.8

28.3 ± 2.7

28.3 ± 2.8

0.96

MoCA score

26.9 ± 3.0

26.9 ± 3.0

26.9 ± 2.1

0.997

CVD history, n (%)

100 (3.0)

50 (3.2)

50 (2.8)

0.532

  1. BMI = body mass index, MMSE = mini mental status examination scale, MoCA = Montreal cognitive assessment, CVD = cardiovascular disease