Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.
From the 2008 National Health Interview Survey Heart Disease Supplement:
Which of the following would you say are the symptoms that someone may be having a heart attack?
Pain or discomfort in the jaw, neck or back.
Feeling weak, lightheaded or faint.
Chest pain or discomfort.
Pain or discomfort in the arms or shoulder.
Shortness of breath.
Persons are considered to be aware of the early warning symptoms and signs of a heart attack if they respond “yes” to all the symptom questions listed in the NUMERATOR section. Persons are considered to be unaware of the early warning symptoms and signs of a heart attack if they respond “no” or “don’t know” to any of the symptom questions listed in the NUMERATOR section.
This Indicator uses Age-Adjustment Groups:
Any change to the objective text, baseline, target, target-setting method or data source since the Healthy People 2020 launch.
In 2012, the original baseline was revised from 42.0 to 39.6 percent due to changes in how the response “don’t know” is handled. Previously responses of “don’t know” were excluded, but they are now included as lack of awareness. The target was proportionally adjusted from 46.2 percent to 43.6 percent to reflect the revised baseline using the original target-setting method.
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