Table 3 Hazard ratio for incident atrial fibrillation according to quartiles of total physical activity.

From: Independent effect of physical activity and resting heart rate on the incidence of atrial fibrillation in the general population

  

Physical activity (METs/day)

Q1

Q2

Q3

Q4

No. with AF

 

51 (2.3%)

38 (1.9%)

31 (1.4%)

47 (2.1%)

Incidence rate

 

2.39

1.91

1.42

2.12

Crude

HR (95% CI)

1

0.79 (0.52–1.20)

0.59 (0.38–0.92)

0.87 (0.59–1.29)

p-value

 

0.263

0.020

0.489

Model 1

HR (95% CI)

1

0.78 (0.51–1.20)

0.58 (0.37–0.91)

0.84 (0.54–1.30)

p-value

 

0.255

0.017

0.425

Model 2

HR (95% CI)

1

0.79 (0.52–1.21)

0.59 (0.38–0.92)

0.90 (0.58–1.39)

p-value

 

0.273

0.021

0.622

Model 3

HR (95% CI)

1

0.78 (0.51–1.19)

0.58 (0.37–0.90)

0.88 (0.57–1.36)

p-value

 

0.246

0.016

0.564

  1. Model 1: adjusted for age, sex, residence, education.
  2. Model 2: Model 1 + BMI, comorbidity, alcohol and smoking.
  3. Model 3: Model 2 + RHR.
  4. AF, atrial fibrillation; Incidence rate, per 1,000 person-years; HR, hazard ratio; CI, confidence interval; BMI, body mass index; RHR, resting heart rate.