Table 6.
Regression coefficients from linear regression models for neurobehavioral outcome measures and pesticide exposures with an interaction term for state by pesticide exposure for the 701 male pesticide applicators.
| CPTa (n=692) |
Digit-Symbola (n=691) |
Grooved Pegboarda (n=699) |
AVLT Recognition (n=695) |
Sequences Ba (n=671) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
|
||||||||||
| Iowa | N.C. | Iowa | N.C. | Iowa | N.C. | Iowa | N.C. | Iowa | N.C. | |
| Ever used | ||||||||||
| Carbaryl | 6.60 | −14.52 * | -- | -- | -- | -- | -- | -- | -- | -- |
| Carbofuran | -- | -- | -- | -- | -- | -- | -- | -- | 2.99 | −3.78 * |
| Chlorpyrifos | -- | -- | −4.67 ** | 1.06 | -- | -- | -- | -- | -- | -- |
| Malathion | -- | -- | -- | -- | 5.85 * | −3.98 | -- | -- | -- | -- |
| Lifetime days (log10 transformed) | ||||||||||
| Coumaphos | -- | -- | -- | -- | -- | -- | 0.03 | 1.09 ** | -- | -- |
| Malathion | -- | -- | -- | -- | 2.46 * | −1.11 | -- | -- | -- | -- |
a
Regression coefficients have been multiplied by −1 so that lower scores indicate poorer performance.
**
p<0.01;
*
p<0.05.
CPT = Continuous Performance Test, AVLT = Auditory Verbal Learning Test. Results are presented for models with a significant interaction term (p<0.05); Models are adjusted for the base model covariates and an interaction term for state by pesticide exposure.