Association of physical activity with the incidence of atrial fibrillation in persons > 65 years old: the Atherosclerosis Risk in Communities (ARIC) study

Table 2 Association of moderate to vigorous physical activity (MVPA) levels with incidence of atrial fibrillation (AF)

	No MVPA	Low MVPA	Recommended MVPA	High MVPA
AF events	268	112	156	167
Person-years	10,338	5980	8323	7933
IR (95% CI)*	26 (23, 29)	19 (15, 23)	19 (16, 22)	21 (18, 24)
HR (95% CI)
Model 1	1 (ref.)	0.73 (0.59, 0.91)	0.73 (0.59, 0.89)	0.80 (0.65, 0.99)
Model 2	1 (ref.)	0.77 (0.61, 0.96)	0.86 (0.69, 1.06)	0.97 (0.78, 1.21)

Atherosclerosis Risk in Communities study, 2011–2019
Model 1: Cox proportional hazards model adjusted for age, sex, race/center and education
Model 2: Cox proportional hazards model adjusted for Model 1 variables and alcohol drinking, cigarette smoking, diabetes, hypertension, prevalent coronary heart disease, prevalent heart failure, body mass index, and Short Physical Performance Battery score
AF atrial fibrillation, CI confidence interval, HR hazard ratio, IR Incidence rate
*Incidence rate per 1000 person-years

ISSN: 1471-2261