TABLE 5.
Relationships Between Urinary 2,5-Dichlorophenol Concentrations (µg/g Creatinine) and Neighborhood Characteristics N = 506
| Neighborhood Characteristics | n | Unadjusted GMs (µg/g Creatinine) | P | n | Adjusted GMs (µg/g Creatinine) | P |
|---|---|---|---|---|---|---|
| School | ||||||
| Charter | 23 | 211 (115–390) | .02* | 22 | 197 (99–394) | .07 |
| Private | 33 | 200 (148–270) | — | 33 | 76 (43–134) | — |
| Public | 450 | 87 (76–100) | — | 440 | 99 (74–131) | — |
| Household smokers | ||||||
| 0 smoker | 328 | 100 (85–118) | .10 | 320 | 146 (101–210) | .03* |
| 1 smoker | 124 | 72 (55–94) | — | 124 | 99 (65–153) | — |
| 2+ smokers | 54 | 81 (54–121) | — | 51 | 102 (61–170) | — |
| Year sample collected | — | |||||
| 2004 | 20 | 177 (92–342) | .06 | 20 | 185 (89–387) | .19 |
| 2005 | 153 | 95 (75–121) | — | 149 | 108 (74–156) | — |
| 2006 | 230 | 93 (77–113) | 226 | 100 (69–144) | — | |
| 2007 | 103 | 69 (52–92) | — | 100 | 84 (53–134) | — |
| Season sample collected | ||||||
| Fall and winter: September to February | 250 | 106 (88–127) | .04* | 246 | 129 (89–186) | .25 |
| Spring: March to June | 185 | 73 (59–91) | — | 181 | 100 (67–149) | — |
| Summer: July to August | 71 | 90 (64–128) | — | 68 | 114 (69–189) | — |
Adjusted for child age, race, sex, caregiver education, year of urine collection, and whether yesterday was a weekday. —, not applicable.
*
P < .05.