Table 4.

Comparison of log (10) thyroid hormone levels for farmers versus non-farmers using a generalized linear model *.

Thyroid Hormones	Expβ (95% CI)
FT3	1.056 (1.030–1.084)
FT4	0.984 (0.966–1.004)
T3	1.016 (0.989–1.043)
T4	1.058 (1.027–1.091)
TSH	1.023 (0.974–1.073)
Iodine Urine	0.866 (0.811–0.925)

* All models controlled for work hours per day, years of work, and blood pressure.