Basic information about the study:

Enrollment: 1000 adults and 300 children were enrolled at the Colorado study site.
Health Markers: The researchers collected participant data on lipids, kidney function, liver function, thyroid and sex hormones, glucose and insulin parameters, markers of immune function, as well as neurobehavioral outcomes in children.

Eligibility criteria for the study:

Age limit: Children needed to be age 4 or older but there was no upper age limit for adults.
Residence: Must currently live in, or previously lived in, an area that was impacted by PFAS water contamination in El Paso County, CO.
Employment: Unfortunately, those who were ever employed as a firefighter, ever participated in fire training exercises using Aqueous Film-Forming Foam Concentrates (AFFF), or were ever employed in industrial facilities that used PFAS chemicals in the manufacturing process were not eligible.