Table 2 Association between each lifestyle factor and atrial fibrillation risk
| Â | N* | Â | HR (95% CI) | |||
|---|---|---|---|---|---|---|
Non-AF group | AF group |  | Unadjusted | Adjusted †| Adjusted ‡ | |
Diet quality | Â | Â | Â | Â | Â | Â |
 Unhealthy | 1670 | 37 |  | 1.00 | 1.00 | 1.00 |
 Healthy | 1507 | 39 |  | 0.72 (0.46, 1.15) | 0.84 (0.51, 1.35) | 0.84 (0.52, 1.37) |
Leisure-time physical activity | Â | Â | Â | Â | Â | Â |
 Unhealthy | 363 | 15 |  | 1.00 | 1.00 | 1.00 |
 Healthy | 2814 | 61 |  | 0.38 (0.22, 0.68) | 0.45 (0.25, 0.81) | 0.45 (0.25, 0.82) |
Sleep quality | Â | Â | Â | Â | Â | Â |
 Unhealthy | 535 | 19 |  | 1.00 | 1.00 | 1.00 |
 Healthy | 2643 | 57 |  | 0.75 (0.44, 1.27) | 0.68 (0.40, 1.16) | 0.70 (0.40, 1.20) |
Mental status | Â | Â | Â | Â | Â | Â |
 Unhealthy | 112 | 4 |  | 1.00 | 1.00 | 1.00 |
 Healthy | 3065 | 72 |  | 0.92 (0.33, 2.51) | 0.87 (0.31, 2.43) | 1.03 (0.37, 2.91) |
Alcohol drinking | Â | Â | Â | Â | Â | Â |
 Drinking | 557 | 13 |  | 1.00 | 1.00 | 1.00 |
 Non-drinking | 2620 | 63 |  | 1.07 (0.59, 1.94) | 1.34 (0.72, 2.48) | 1.26 (0.67, 2.36) |
Cigarette smoking | Â | Â | Â | Â | Â | Â |
 Smoking | 1304 | 29 |  | 1.00 | 1.00 | 1.00 |
 Non-smoking | 1873 | 47 |  | 1.19 (0.75, 1.91) | 1.33 (0.83, 2.14) | 1.32(0.82, 2.15) |
Waist-to-hip ratio | Â | Â | Â | Â | Â | Â |
 Unhealthy | 2261 | 49 |  | 1.00 | 1.00 | 1.00 |
 Healthy | 916 | 27 |  | 1.26 (0.79,2.01) | 1.13 (0.69, 1.85) | 1.19 (0.73, 1.96) |