For every single case-patient try matched up in order to a couple controls centered on host to quarters, sex, and you will many years
Introduction from the study is actually restricted to people that has confirmed LD, had been owners beyond your city of Murcia, and had come claimed July 8–20 once the situation-people. Controls was in fact randomly selected from the population of the identical town from household and you can fitness area since matched diligent.
A standard questionnaire to help you interviews customers and you can control was created. They concerned about metropolitan flexibility and you may experience of additional sky in this the fresh new north section of Murcia 14 days before person’s onset from problems. Patients and controls was interviewed personally in the home between July twenty five and you can August 8. Itineraries of all of the people, together with factual statements about means of transport and you may volume off trips, was basically outlined into a map regarding Murcia. Likewise, any traveling towards the or visit to 29 specific areas of your city in which putative types of polluted aerosols was in fact found try recorded. This new survey also questioned details about host to quarters and you can performs, occupation, training top, employment standing, smoking routine, liquor consumption, chronic lung disease, diabetes, kidney or heart problems, malignancy, immunocompromising situation, organ transplant, therapy with corticosteroids, or other risk products to have LD contained in this 14 days prior to problems. 자세히 보기