Exclusion criteria | Individuals excluded | Participants |
---|---|---|
Initial cohort in 1987-89 | 15,792 | |
Attended visit 4 (1996–98) | 4,136 | 11,656 |
Prevalent AF at visit 4 | 298 | 11,358 |
Low or bad quality ECGs at baseline | 175 | 11,183 |
Race other than white or African American | 67 | 11,116 |
Missing Covariates | 151 | 10,965 |
Twin gestation or premature infant | 490 | 10,475 |
Missing BW | 343 | 10,132 |