Table 1 Basic characteristics of the study participants in Guangzhou, southern China.

From: Epidemiological Characteristics of Atrial Fibrillation in Southern China: Results from the Guangzhou Heart Study

Characteristics

Category

Frequency

Percentage

Subject

Atrial fibrillation patients

175

1.46

Non-atrial fibrillation patients

11838

98.54

Region

Rural

6478

53.92

Urban

5535

46.08

Age (years)

30–39

673

5.60

40–49

2329

19.39

50–59

3405

28.34

60–69

3506

29.19

70–79

1640

13.65

≥80

460

3.83

Gender

Men

4207

35.02

Women

7806

64.98

Height (cm)

<155

4507

37.52

155–159

2629

21.88

160–164

2166

18.03

≥165

2711

22.57

BMI (kg/m2)

<18.5

862

7.18

18.5 to <22.5

3478

28.95

22.5 to <25

3446

28.69

25 to <30

3598

29.95

≥30

629

5.24

Marital status

Married

9892

82.34

Divorced

208

1.73

Separated

34

0.28

Widowed

1284

10.69

Single

216

1.80

Missing

379

3.15

Educational level

Illiteracy

1764

14.68

Primary school

2672

22.24

Junior middle school

2782

23.16

High and vocational school

2860

23.81

Junior College

993

8.27

Undergraduate and above

563

4.69

Missing

379

3.15

Occupation

Leader of enterprise unit

517

4.30

Technical personnel

809

6.73

Handle affairs personnel

1328

11.05

Sales and service personnel

1733

14.43

Agricultural, forestry, fishery and water conservancy production staff

1603

13.34

Transportation and equipment operators related personnel

2474

20.59

Army man

16

0.13

Private owner

339

2.82

Others

2815

23.43

Missing

379

3.15