Table 4.
Linear regression results for multiple blood metals (log-transformed) on CERAD immediate recall as a function of age, adjusted for sociodemographic, behavior, and clinical characteristics, stratified by age group into 60s and more than 70 years old 1.
| Stratified 60s Years Old Group (n = 984) | Stratified ≥ 70s Years Old Group (n = 851) | |||
|---|---|---|---|---|
| β (95% CI) | p Value | β (95% CI) | p Value | |
| Lead, µg/L | −0.37 (−0.87, 0.13) | 0.14 | −0.85 (−1.44, −0.27) | <0.01 |
| Cadmium, µg/L | −0.53 (−1.05, −0.01) | 0.05 | −0.68 (−1.32, −0.04) | 0.04 |
| Selenium, µg/L | 2.62 (0.22, 5.03) | 0.03 | 3.44 (0.68, 6.21) | 0.01 |
| Methylmercury, µg/L | 0.03 (−0.24, 0.31) | 0.80 | 0.16 (−0.17, 0.48) | 0.34 |
1 Models adjusted for sex, race/ethnicity, education levels, depression, diabetes, cigarette smoking, and alcohol consumption.