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Table 2 Linear regression analysis of the association between PR interval (ms) and independent variables

From: The relationship between demographic features, anthropometric parameters, sleep duration, and physical activity with ECG parameters in Fasa Persian cohort study

Variables

Univariate

Multivariate

B

95% CI

P-value

B

95% CI

P-value

Age

0.298

0.213, 0.383

< 0.001

0.275

0.203, 0.347

< 0.001

Gender

      

Male

Ref

     

Female

− 3.61

− 5.21, − 2.00

< 0.001

− 6.63

− 7.85, − 5.42

< 0.001

Marital status

      

Unmarried

Ref

     

Married

3.11

− 1.159, 7.398

0.153

− 0.200

− 2.98, 2.580

0.888

Widowed or divorced

3.40

− 1.63, 8.44

0.185

− 0.083

− 3.40, 3.23

0.961

BMI

0.261

0.098, 0.423

0.002

   

Education level

− 0.307

− 0.515, − 0.098

0.004

0.016

− 0.153, 0.185

0.851

Wrist circumference

1.75

1.169, 2.348

< 0.001

1.50

0.860, 2.14

< 0.001

Hip circumference

0 .149

0.058, 0.239

0.001

0.253

0.158, 0.348

< 0.001

Waist circumference

0.133

0.066, 0.201

< 0.001

0.190

0.143, 0.236

< 0.001

MET

0.047

− 0.025, 0.121

0.202

0.018

− 0.031, 0.069

0.471

Diabetes

      

No

Ref

     

Yes

2.69

0.298, 5.09

0.028

.087

− 1.50, 1.68

0.914

Hypertension

      

No

Ref

     

Yes

3.691

1.714, 5.668

< 0.001

2.40

0.963, 3.83

0.001

Cardiac ischemic disease

      

No

Ref

     

Yes

2.08

− 0.430, 4.60

0.104

0.687

− 1.01, 2.39

0.429

Sleep duration

− 0.097

− 0.521, 0.326

0.651

–

–

–

  1. BMI body mass index, MET metabolic equivalent of task
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BMC Cardiovascular Disorders

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