Table 1.
Categorical questionnaire derived population characteristics of NCS IVS cohort participants who had serum PFAS measurement data (n = 427).
| Questionnaire Variable | Responses | Percent of Population |
|---|---|---|
| Marriage Status | Married | 74% |
| Not married but living together with a partner | 25% | |
| Other | <1% | |
| Race/Ethnicity | Hispanic | 12% |
| Non-Hispanic, Black/African American only | 6% | |
| Non-Hispanic, White only | 64% | |
| Non-Hispanic, Asian only | 5% | |
| Non-Hispanic, NHOPI only | <1% | |
| Non-Hispanic, multiple races | 8% | |
| Non-Hispanic, missing or other races | 4% | |
| Household Income | Less than $50 K | 48% |
| $50 K or More | 45% | |
| Maternal Education Level | High School/GED or Less | 56% |
| Some College or More | 43% | |
| Home Age | 1981 or After | 34% |
| 1961–1980 | 23% | |
| 1960 or Before | 22% | |
| Drinking Water Source | Tap Water | 36% |
| Filtered Tap Water | 39% | |
| Bottled Water | 27% | |
| Other | 4% | |
| Number of French Fries Eaten at One Sitting | Less than 10 or Less than 1/2 Cup | 22% |
| 10 or More or 1/2 Cup or More | 58% |
All participants did not necessarily record a response for every questionnaire variable, and some response categories were combined for statistical analyses and preservation of confidentiality. Numerical survey responses not shown.