Discover What You Need to Know About the CDC’s Upcoming National Health Survey in Greater Philadelphia!

A mobile health clinic has parked outside a former fire station in Delaware County. Its mission? To screen hundreds of residents from the Philadelphia area. This initiative helps the U.S. Centers for Disease Control and Prevention (CDC) understand the health status of everyday Americans.

This mobile clinic is part of the National Health and Nutrition Examination Survey (NHANES). NHANES travels across the country, gathering health and nutrition data from over 5,000 people each year. The Philly area is one of the 20 locations chosen for screenings this year.

Duong (Tony) Nguyen, the chief medical officer for NHANES, explains that they aim for a wide representation of communities, from urban centers to rural areas, based on census data. To select participants, they use a computer system to randomly invite individuals. Hundreds in Delaware, Philadelphia, and Montgomery Counties have received invitations.

While participation is voluntary, Nguyen encourages those selected to take part. The health exams are free and can save participants thousands of dollars. They will receive their test results and have the chance to consult NHANES medical professionals about their findings. “We’ve helped people identify health issues they didn’t know they had,” Nguyen said.

Convenience is key for NHANES. They offer reimbursements for transportation and childcare, plus a gift card worth up to $185 for participation.

Once someone agrees to take part, the process begins with an in-person interview. NHANES staff ask about medical history and lifestyle. This is followed by two phone interviews focused on daily habits, like diet and exercise.

Participants then undergo a physical exam at the mobile unit. This includes bone density scans, dental assessments, and tests for vision and hearing. Laboratory tests check for various health issues, from cholesterol levels to signs of kidney disease.

The information gathered is vital for shaping public health policies. For example, NHANES data has been used to update pediatric growth charts based on current height and weight measurements. This ongoing effort is essential for tracking the health of the nation.

A historical look back shows the significant impact of NHANES. In the 1970s, the survey revealed dangerously high lead levels in American children. This data influenced legislation to limit lead in household products. Thanks to these efforts, children today have noticeably lower lead levels.

The long-term nature of NHANES allows for comparisons between past and present health trends. “It helps us see where we’re making progress,” Nguyen noted.

Recent surveys highlight shifts in dietary habits as well. For instance, more people are turning to plant-based diets, reflecting a national trend toward healthier eating.

By joining this survey, participants not only gain valuable health insights but also contribute to shaping future public health initiatives.



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