Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
From the 2006 Food Safety Survey:
I'd like to ask if you have any current food allergies, or do you suspect you have a food allergy?
Has a medical doctor diagnosed your condition as a food allergy?
When was the last time you had an allergic reaction to food, or had symptoms you thought were caused by an allergic reaction to food?
Was epinephrine [EP eh NEF rin] used to treat this most recent reaction?
Were you [was he/she] treated in a hospital or doctor's office for this reaction? Which?
Did you/he/she have to stay overnight in the hospital?
*RESPONSE IS INCLUDED IN THE CALCULATIONS.
The estimate for this measure is calculated by first defining a sub-sample of survey respondents who report a doctor-diagnosed food allergy. The percentage of this group that had an allergic reaction to food within the last 5 years and whose reaction required the use of epinephrine, or treatment in a hospital or doctor's office, or an overnight stay in a hospital is the numerator. Weights are applied that adjust for probability of selection (the number of telephones in the house and the number of adults in the house) and that adjust the sample to census estimates on the characteristics of sex, race, and education.
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