Participants complete a home interview and are then examined in a mobile examination center, which includes sampling participant blood for laboratory tests.
Participants were examined at home and at a mobile examination center for various markers of health, such as demographics, socioeconomic status, medical history, dietary practices, physical activity, blood profile, blood pressure, and anthropometrics.
After being interviewed at home, participants were invited to attend the mobile examination center, where they provided a blood sample and were examined.
To determine serostatus, eligible study subjects provided a blood sample at the mobile examination center.
The full evaluation included a standardized home interview (with a medication review), a physical examination in a mobile examination center, and a fasting blood draw.
NHANES III included a standardized questionnaire administered in the home by a trained interviewer and a detailed physical examination at a mobile examination center.
Laboratory measurements were performed in a mobile examination center.
At each mobile examination center, phlebotomists assessed subject fasting compliance.
Participants answered a household interview and most completed clinical examinations in a mobile examination center.
Body weight and height were measured using standard procedures in a mobile examination center.
Participants then travel to a mobile examination center (MEC), where physical examinations and nonfasting blood work are performed (10).
