Table 1.
Survey-weighted characteristics of sample with survey-weighted back-transformed geometric mean concentrations (95% CIs) of PFOA and PFOS.
| Men |
Women |
|||||
|---|---|---|---|---|---|---|
| Characteristic | n (% within group) | PFOA | PFOS | n (% within group) | PFOA | PFOS |
| Overall | 1,900 (100) | 4.91 (4.64–5.2) | 25.08 (23.63–26.62) | 2,066 (100) | 3.77 (3.52–4.04) | 19.14 (17.8–20.58) |
| Age (years) | ||||||
| 20–49 | 928 (62.6) | 5.30 (5.02–5.59) | 24.2 (22.66–25.84) | 1,134 (59.8) | 3.38 (3.13–3.64) | 16.72 (15.37–18.19) |
| 50–69 | 553 (27.0) | 4.46 (4.12–4.82) | 26.97 (24.87–29.25) | 545 (26.7) | 4.62 (4.15–5.14) | 22.92 (20.81–25.23) |
| ≥ 70 | 419 (10.4) | 3.99 (3.53–4.52) | 25.8 (23.22–28.67) | 387 (13.4) | 4.13 (3.78–4.51) | 24.39 (22.19–26.81) |
| Ethnicity | ||||||
| Mexican American | 432 (8.3) | 3.73 (3.48–4) | 18.44 (16.79–20.25) | 481 (7.3) | 2.44 (2.21–2.7) | 12.04 (10.91–13.29) |
| Other Hispanic | 62 (4.2) | 5.63 (4.77–6.65) | 27.73 (21.89–35.14) | 92 (5.9) | 3.6 (3.17–4.09) | 16.28 (14.29–18.56) |
| Non-Hispanic white | 969 (73.5) | 5.13 (4.83–5.45) | 25.7 (24.04–27.47) | 1,008 (71.8) | 4.13 (3.84–4.45) | 20.08 (18.57–21.72) |
| Non-Hispanic black | 382 (9.9) | 4.43 (3.92–5) | 27 (24.3–30) | 415 (10.8) | 2.98 (2.66–3.34) | 20.52 (17.97–23.42) |
| Other | 55 (4.1) | 4.32 (3.47–5.38) | 22.77 (17.3–29.97) | 70 (4.3) | 3.3 (2.61–4.17) | 19.64 (15.04–25.64) |
| Education | ||||||
| < High school | 637 (20.9) | 4.14 (3.82–4.49) | 22.08 (20.47–23.82) | 628 (19.5) | 3.53 (3.11–4) | 19.26 (17.1–21.69) |
| High school graduate | 478 (29.3) | 4.94 (4.56–5.35) | 25.22 (23.56–27) | 498 (25.9) | 4 (3.69–4.34) | 19.9 (18.15–21.83) |
| > High school | 782 (49.7) | 5.26 (4.93–5.62) | 26.38 (24.54–28.36) | 937 (54.6) | 3.76 (3.49–4.04) | 18.74 (17.32–20.28) |
| Unknown | 3 (0.0) | 2.22 (1.31–3.74) | 17.59 (8.5–36.41) | 3 (0.0) | 1.84 (1.32–2.56) | 12.64 (7.25–22.02) |
| BMI | ||||||
| 0–18.5 | 23 (1.2) | 4.42 (2.78–7.01) | 17.95 (10.79–29.87) | 35 (2.4) | 3.78 (3.07–4.65) | 18.39 (14.05–24.08) |
| 18.5–25 | 525 (28.8) | 4.89 (4.44–5.39) | 24.36 (21.99–26.98) | 594 (32.6) | 3.84 (3.52–4.19) | 18.97 (17.53–20.52) |
| 25–30 | 778 (39.8) | 5.01 (4.67–5.38) | 25.28 (23.55–27.13) | 615 (27.8) | 3.64 (3.3–4.01) | 19.48 (17.86–21.24) |
| ≥ 30 | 545 (29.0) | 4.9 (4.54–5.29) | 26.28 (24.42–28.28) | 784 (36.0) | 3.83 (3.49–4.2) | 19 (17–21.22) |
| Unknown | 29 (1.2) | 3.1 (2.23–4.3) | 17.51 (10.34–29.66) | 38 (1.2) | 3.36 (2.78–4.05) | 21.81 (17.13–27.78) |
| Smoking status | ||||||
| Smoked < 100 cigarettes in lifetime | 761 (41.1) | 5.01 (4.68–5.37) | 26.16 (24.19–28.29) | 1,300 (58.6) | 3.63 (3.36–3.93) | 18.91 (17.43–20.52) |
| Former smoker | 664 (30.0) | 4.67 (4.28–5.09) | 25.66 (23.7–27.79) | 417 (21.3) | 3.81 (3.46–4.19) | 19.22 (17.33–21.32) |
| Some days | 90 (4.8) | 5.12 (4.23–6.19) | 21.33 (17.97–25.31) | 46 (2.4) | 4.05 (3.36–4.89) | 18.29 (15.06–22.22) |
| Every day | 385 (24.1) | 5.01 (4.7–5.33) | 23.43 (21.45–25.59) | 302 (17.8) | 4.17 (3.73–4.67) | 19.9 (17.76–22.29) |
| Unknown | 1 (0.0) | |||||
| Average drinks per day in previous 12 months | ||||||
| Nondrinker | 334 (15.8) | 4.44 (3.89–5.06) | 25.38 (22.78–28.28) | 857 (35.1) | 3.5 (3.22–3.8) | 18.84 (16.81–21.11) |
| 1 | 298 (15.7) | 4.67 (4.22–5.17) | 26.39 (23.19–30.02) | 316 (17.9) | 3.87 (3.47–4.32) | 20.37 (18.12–22.9) |
| 2 | 282 (17.5) | 5.4 (4.86–6.01) | 27.7 (24.76–30.99) | 291 (18.0) | 4.15 (3.79–4.55) | 19.82 (17.95–21.87) |
| 3 | 181 (11.1) | 5.2 (4.79–5.65) | 23.73 (21.2–26.56) | 124 (6.6) | 3.82 (3.4–4.29) | 18.07 (15.81–20.65) |
| 4 | 97 (6.0) | 5.58 (4.94–6.31) | 25.05 (21.27–29.5) | 64 (3.3) | 3.96 (3.19–4.92) | 15.71 (12.89–19.14) |
| ≥ 5 | 283 (16.4) | 5.25 (4.88–5.65) | 23.09 (20.92–25.49) | 80 (4.8) | 4.63 (3.62–5.91) | 18.13 (14.76–22.27) |
| Unknown | 425 (17.6) | 4.44 (4.07–4.84) | 24.04 (21.44–26.96) | 334 (14.4) | 3.58 (3.22–3.98) | 19.26 (17.29–21.46) |