Table 2 Prevalence of atrial fibrillation based on demographic characteristics.

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

Characteristics Frequency Prevalence (%) P-value
Region    0.2011
   Rural 6478 1.33  
   Urban 5535 1.61  
Age (years)    <0.0001§
   30–39 673 0.30  
   40–49 2329 0.13  
   50–59 3405 0.73  
   60–69 3506 1.65  
   70–79 1640 3.90  
   ≥80 460 5.00  
Gender    0.0002§
   Men 4207 2.02  
   Women 7806 1.15  
Height (cm)    0.0006§
   <155 4507 1.11  
   155–159 2629 1.79  
   160–164 2166 0.97  
   ≥165 2711 2.10  
BMI (kg/m2)    0.2485
   <18.5 862 1.74  
   18.5 to <22.5 3478 1.27  
   22.5 to <25 3446 1.22  
   25 to <30 3598 1.72  
   ≥30 629 1.91  
Marital status    <0.0001§
   Married 9892 1.23  
   Divorced 208 0.96  
   Separated 34 0.00  
   Widowed 1284 3.19  
   Single 216 0.00  
Educational level    0.0045§
   Illiteracy 1764 2.27  
   Primary school 2672 1.61  
   Junior middle school 2782 1.15  
   High and vocational school 2860 0.98  
   Junior College 993 1.11  
   Undergraduate and above 563 1.95  
Occupation    0.0003§
   Leader of enterprise unit 517 1.93  
   Technical personnel 809 1.24  
   Handle affairs personnel 1328 1.96  
   Sales and service personnel 1733 0.69  
   Agricultural, forestry, fishery and water conservancy production staff 1603 2.50  
   Transportation and equipment operators related personnel 2474 1.25  
   Army man 16 6.25  
   Private owner 339 0.88  
   Others 2815 1.14  
  1. §This symbol indicates P-value < 0.05 based on the χ2 test.