Table 2.
Prevalence of atrial fibrillation based on demographic characteristics.
| 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 |
§This symbol indicates P-value < 0.05 based on the χ2 test.