TABLE 1.
Continuous Exposure Variable and Covariate Descriptives
| Exposure variables | Males | Females | ||||
|---|---|---|---|---|---|---|
| Range | Mean | SD | Range | Mean | SD | |
| Urinary mercury (μg/L)—unlogged | 0–15.57 | 2.39 | 2.08 | 0–10.30 | 1.82 | 1.88 |
| Chronic Hg index—age adjusted | 0–119.7 | 28.8 | 18.37 | 0–66.0 | 20.1 | 10.83 |
| Covariates | ||||||
| Age at evaluation | 28.28–65.90 | 48.67 | 7.74 | 19.27–65.07 | 35.65 | 8.84 |
| Vocabulary score | 7–11 | 10.60 | .95 | 3–11 | 8.20 | 2.03 |
| Income in $1000's | 25–800 | 168.01 | 103.14 | 7–250 | 51.19 | 31.44 |
| Alcohol drinks in last 12 hours | 0–8 | 1.98 | .61 | 0–6 | 1.62 | 0.90 |
| Alcohol drinks/week | 0–20 | 3.59 | 3.95 | 0–20 | 2.39 | 2.98 |
| Number of allergies | 0–3 | 0.20 | 0.49 | 0–3 | 0.29 | 0.55 |