Coated or Chewable Aspirin and a Hybrid Strategy to Mitigate Adverse Effects of Air Pollution in Stable Atherosclerotic Disease

Enteric-coated aspirin tablet 81 mg, once daily

Plain aspirin tablet 81 mg, once daily

"A hybrid strategy composed from:~* A one-page educational flashcard~* Alerting patients on highly polluted days via text message~* Encouraging patients to stay at home or minimizing outdoor activity on highly polluted days~* Encouraging patients via text message to wear KN-95 facemasks (provided by the investigators of this study) during outdoors time on highly polluted days~* Encouraging patients to consume citrus fruits during highly polluted days"