In order to study the relationship between uranium mining and lung cancer in west virginia, 3,500 people with incident lung cancer were identified through cancer registries. 4,300 people without lung cancer were selected from the dmv registries. uranium mining data was collected through mailed questionnaires. uranium mining was reported by 925 of the people with lung cancer and 955 of those without lung cancer respectively, while the others reported no uranium mining.
what study design was employed? mention in short answers the key characteristics that make this a . (2 points)
calculate and interpret the appropriate measure of association for the uranium mining and lung cancer association. show your work.