Table 1.
Characteristics of participants from NHANES 2011–2012.
| Variable | Overall Sample (n = 1887) | Sub-Sample (n = 1682) a | ||
|---|---|---|---|---|
| % | P50 (P25, P75) | % | P50 (P25, P75) | |
| Age (years) | 41 (24, 60) | 40 (24, 59) | ||
| Male | 51 | 51 | ||
| Female | 49 | 49 | ||
| BMI (kg/m2) | 27 (23, 32) | 27 (23, 32) | ||
| Mexican American | 11 | 11 | ||
| Other Hispanic | 10 | 10 | ||
| Non-Hispanic White | 35 | 36 | ||
| Non-Hispanic Black | 26 | 26 | ||
| Other/multi-racial | 18 | 17 | ||
| PIR (no units) | 1.89 (0.99, 3.93) | 1.89 (1.00, 3.93) | ||
| Serum cotinine (ng/mL) | 0.04 (0.01, 1.07) | 0.04 (0.01, 1.05) | ||
P25, 25th percentile; P50, 50th percentile; P75, 75th percentile. a Individuals with data on age, sex, BMI, race/ethnicity, PIR, serum cotinine, serum PFASs, serum T, and serum thyroid hormones.