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An electronic survey was distributed to firefighter members of 5 professional organizations. There were 14 735 survey responses collected via secure REDCap database. Demographic, social, medical, and occupational history was obtained. Incomplete responses (n=1582) and responses from retired firefighters (n=1105) were excluded. A total of 10 860 responses were included in the statistical analysis. TIA indicates transient ischemic attack.
