Table 2 Results of the Cox Proportional Hazard Regression analysis on the association between social phobia and the risk of Arrhythmia

 Yes

1.78

(1.25

–

2.55)

0.0016

 No

1.00

Gender

 Male

1.00

 Female

0.91

(0.67

–

1.23)

0.5382

 0–9

0.30

(0.09

–

0.97)

0.0440

 10–19

0.65

(0.40

–

1.05)

0.0797

 20–29

1.00

 30–39

0.81

(0.53

–

1.24)

0.3313

 40–49

1.16

(0.73

–

1.83)

0.5380

 50–59

0.87

(0.45

–

1.69)

0.6785

  ≥ 60

1.52

(0.73

–

3.15)

0.2624

 Health Insurance

1.00

 Medical Aid

1.22

(0.35

–

4.26)

0.7526

 Metropolitan

1.00

 City

0.82

(0.57

–

1.18)

0.2913

 Rural

0.99

(0.70

–

1.39)

0.9378

 Yes

0.73

(0.23

–

2.34)

0.5983

 No

1.00

 Low

1.00

 Middle

1.01

(0.61

–

1.70)

0.9574

 High

0.82

(0.49

–

1.38)

0.4517

 Yes

3.50

(2.46

–

5.00)

< 0.0001

 No

1.00

 Yes

0.81

(0.51

–

1.30)

0.3852

 No

1.00

 Yes

0.98

(0.70

–

1.37)

0.9081

 No

1.00

 Yes

1.87

(1.15

–

3.04)

0.0113

 No

1.00

 0–2

1.00

 3–4

1.54

(1.07

–

2.23)

0.0214

  ≥ 5

1.61

(0.94

–

2.74)

0.0805