Why the study?
The relationship between self-reported and urinary cotinine-verified smoking status and atrial arrhythmia was unclear.
Is self-reported or cotinine-verified smoking status associated with atrial arrhythmia?
Is self-reported or cotinine-verified smoking status associated with atrial arrhythmia?
Self-reported current smoking, but not cotinine-verified current smoking, is associated with atrial arrhythmias and atrial fibrillation.
Self-reported smoking-AA/AF link may reflect bias; leaves open objective smoking effect in prospective studies.
BACKGROUND: The relationship between self-reported and urinary cotinine-verified smoking status and atrial arrhythmia (AA) is unclear. The aim of this study was to evaluate the association of self-reported and urine cotinine-verified smoking status with AA. METHOD: A total of 201,788 participants (106,375 men, mean age 37 years) who had both a urinary cotinine measurement and electrocardiogram were included. Cotinine-verified current smoking was defined as a urinary cotinine level above 50 ng/mL. Individuals were divided into three groups based on self-reported smoking and two groups based on cotinine-verified smoking status. RESULTS: = 0.391). CONCLUSION: Self-reported current smoking was associated with AA and AF, while self-reported former smoking and cotinine-verified current smoking showed no significant association with AA and AF.
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Lee et al. (2020) studied this question.
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