Table 3.
Relative Levels of BDE 47 and BDE 153 in Participants Across Time
| 1994–1995 | 2001–2003 | 2004–2005 | |
|---|---|---|---|
| Percent with BDE 153 > BDE 47 | 3.3% | 3.6% | 8.9% |
| Geo Mean Ratio BDE 153/BDE47 (95% CI) a | 0.35 (0.30, 0.41) | 0.31 (0.27, 0.35) | 0.39 (0.33, 0.45) b |
| Mean Percent BDE 153/Sum PBDEs (95% CI) a | 16.4 (14.6, 18.2) | 15.4 (13.9, 16.9) | 18.3 (16.5, 20.1) b |
| Mean Percent BDE 47/Sum PBDEs (95% CI) a | 43.0 (40.1, 45.3) | 45.5 (43.6, 47.5) | 41.8 (39.4, 44.1) b |
a
Least square means estimated in random intercept mixed-effect models adjusted for age, BMI, and gender, with post hoc analysis using Tukey-Kramer adjustment to determine significant differences in exposures among sampling times.
b
significantly greater than geometric mean in 2001–2003 (p<0.05).