Table 1.
Characteristics of participants by neighborhood and well proximity.
| North University Park (idle) N=441 |
Jefferson Park (active) N=520 |
Near Well (<200 m) N=288 |
Farther from Well (>200 – 1000m) N=673 |
|
|---|---|---|---|---|
| Age categories, N (%): | ||||
| 9 – 18 | 138 (31.3%) | 136 (26.2%) | 56 (19.4%) | 218 (32.4%) |
| 18–60 | 243 (55.1%) | 212 (40.8%) | 133 (46.2%) | 322 (47.8%) |
| 60 < | 60 (13.6%) | 172 (33.1%) | 99 (34.4%) | 133 (19.8%) |
| Gender, N (%): | ||||
| Female | 286 (64.9%) | 310 (59.5%) | 180 (62.5%) | 416 (61.7%) |
| Male | 155 (35.1%) | 210 (40.5%) | 108 (37.5%) | 257 (38.2%) |
| Race/Ethnicity, N (%): | ||||
| Asian/ Asian American | 2 (0.4%) | 52 (10.0%) | 48 (16.7%) | 6 (0.9%) |
| Black/ African American | 6 (1.4%) | 109 (21.0%) | 40 (13.9%) | 75 (11.1%) |
| Hispanic or Latinx | 433(98.2%) | 359 (69.0%) | 200 (69.4%) | 592 (88.0%) |
| Employed, N (%) | 132 (29.9%) | 144 (27.7%) | 74 (25.7%) | 202 (30.0%) |
| Duration (years) of residence in the neighborhood, Median [25th;75th] | 10.0 [5.0;17.0] | 24.5 [12.0;40.0] |
14.0 [7.0;27.0] |
14.0 [7.0;33.0] |
| Ever smoker, N (%) | 70 (15.9%) | 138 (26.5%) | 74 (25.7%) | 134 (19.9%) |
| Current smoker, N (%) | 19 (4.3%) | 35 (6.7%) | 16 (5.6%) | 38 (5.6%) |
| Exposed to environmental tobacco smoke, N (%) | 38 (8.6%) | 21 (4.0%) | 17 (5.9%) | 42 (6.2%) |
| Allergic rhinitis / Hay fever, N (%) | 71 (16.1%) | 132 (25.4%) | 78 (27.1%) | 125 (18.6%) |
| Doctor diagnosis of asthma, N (%) | 57 (12.9%) | 85 (16.3%) | 50 (17.4%) | 92 (13.7%) |
| Distance to the closest freeway, N (%): | ||||
| ≥ 200m – 1000m | 235 (53.3%) | 480 (92.3%) | 228 (79.2%) | 487 (72.4%) |
| < 200m | 206 (46.9%) | 40 (7.7%) | 60 (20.8%) | 186 (27.6%) |
| Distance from well, m, Mean (SD) | 308 (224) | 380 (238) | 162 (42) | 396 (156) |
| Distance from well, categorial, N (%) | ||||
| ≥ 200m – 1000m | 268 (60.8%) | 405 (77.9%) | -- | 673 (100%) |
| < 200m | 173 (39.2%) | 115 (22.1%) | 288 (100%) | -- |
| Direction from well, N (%) | ||||
| Upwind | 174 (39.5%) | 175 (33.3%) | 55 (19.1%) | 294 (43.4%) |
| Downwind | 267 (60.5%) | 345 (66.3%) | 233 (80.9%) | 379 (56.3%) |
|
| ||||
| Households, N | 205 | 283 | 163 | 325 |