Table 2.

Age- and Ethnicity-Adjusted Associations Between BDE-47 Trajectories (ng/g Lipid) and Serum Thyroid Parameters

BDE-47 trajectory	Log10TSH (μIU/mL)	Free T4 (pmol/L)	Total T4 (nmol/L)
Persistent low (34%)	Reference	Reference	Reference
High decreasing (28%)	–0.08 [−0.15 to −0.01]	–0.20 [−0.92 to 0.52]	–0.61 [−10.66 to 9.44]
Low increasing (38%)	–0.09 [−0.16 to −0.02]	–0.65 [−1.37 to 0.07]	–4.80 [−13.11 to 3.51]

Data shown as β [CI]. 185 children and 223 observations.

CI, confidence interval.