Association between air pollutants on stroke and myocardial infarction in Scania

Information about diabetes diagnosis, hypertension and atrial fibrillation, smoking and physical inactivity were collected via postal survey. This information were afterwards completed with information about first case of ischemic stroke from Riks-Stroke (national quality registry for acute stroke) or the Lund stroke registry, demographic registrydata (education, year of birth, sex, marital status and country of birth) and individual exposure for air pollution through geo-coding by home address connected to a coordinated set emission database. Purpose: To study short- and long term effects by air-pollutants on stroke and myocardial infarction in Scania Survey responses are also available for 4700 controls living in Scania and matched on year of birth and sex.