Table 1 Demographic and study characteristics of participants in the Arizona Healthcare, Emergency Responder, and Other Essential Worker Study with per-and polyfluoroalkyl substance measurements for at least one serum sample during 2020–2023.
Overall | Firefighter | Other first responder | Healthcare Workera | Other essential workerb | |
|---|---|---|---|---|---|
n | 1960 | 280 | 159 | 787 | 734 |
Year of initial blood draw [n (%)] | |||||
2020 | 221 (11.3) | 39 (13.9) | 27 (17.0) | 101 (12.8) | 54 (7.4) |
2021 | 849 (43.3) | 86 (30.7) | 61 (38.4) | 374 (47.5) | 328 (44.7) |
2022 | 290 (14.8) | 43 (15.4) | 27 (17.0) | 104 (13.2) | 116 (15.8) |
2023 | 600 (30.6) | 112 (40.0) | 44 (27.7) | 208 (26.4) | 236 (32.2) |
>1 blood draw (%)c | 693 (35.4) | 62 (22.1) | 57 (35.8) | 297 (37.7) | 277 (37.7) |
Female (%) | 1233 (62.9) | 50 (17.9) | 69 (43.4) | 619 (78.7) | 495 (67.4) |
Age (median [IQR]) | 46 [38,55] | 44 [37,50] | 44 [39,52] | 45 [38,55] | 50 [40,59] |
Race and ethnicity (%) | |||||
Hispanic | 423 (21.6) | 60 (21.4) | 49 (30.8) | 158 (20.1) | 156 (21.3) |
NH, White | 1418 (72.3) | 209 (74.6) | 101 (63.5) | 572 (72.7) | 536 (73.0) |
NH, Otherd | 119 (6.0) | 11 (3.9) | 9 (5.6) | 57 (7.2) | 42 (5.7) |
County of residence (%) | |||||
Pima | 1184 (60.4) | 154 (55.0) | 96 (60.4) | 438 (55.7) | 496 (67.6) |
Maricopa | 492 (25.1) | 79 (28.2) | 25 (15.7) | 222 (28.2) | 166 (22.6) |
Other | 284 (14.5) | 47 (16.8) | 38 (23.9) | 127 (16.1) | 72 (9.8) |
Urban zip code (%) | 1878 (95.8) | 263 (93.9) | 145 (91.2) | 758 (96.3) | 712 (97.0) |
