Table 5.
Adjusted associations between VO2Max and neurocognitive functions in regard to prenatal mercury exposure split at the 67th percentile (35 μg/L).
| Neurocognitive domain | B (95% CI)a | pdifference | |
|---|---|---|---|
| Low prenatal exposure (< 35 μg/L) | High prenatal exposure (≥ 35 μg/L) | ||
| Short-term memory | 0.27 (0.00, 0.56)** | –0.08 (–0.55, 0.40) | 0.21 |
| Verbal comprehension and knowledge | 0.01 (–0.27, 0.29) | 0.14 (–0.25, 0.53) | 0.57 |
| Psychomotor speed | 0.10 (–0.04, 0.23) | –0.15 (–0.44, 0.14) | 0.12 |
| Visual processing | 0.25 (–0.06, 0.56) | –0.17 (–0.57, 0.22) | 0.09 |
| Long-term storage and retrieval | 0.09 (–0.16, 0.34) | 0.17 (–0.13, 0.47) | 0.69 |
| Cognitive processing speed | 0.47 (0.19, 0.74)** | –0.12 (–0.44, 0.21) | 0.007 |
| Cognitive efficiency | 0.49 (0.20, 0.79)** | –0.12 (–0.58, 0.33) | 0.03 |
| General thinking abilities | 0.08 (–0.19, 0.35) | 0.27 (–0.17, 0.71) | 0.47 |
| General function (g) | 0.27 (–0.02, 0.55)* | 0.13 (–0.21, 0.47) | 0.54 |
| Models were adjusted for sex, physical activity, smoking status, BMI, family background, and prenatal methylmercury exposure. aChange in the standard deviation of the neurocognitive function associated with a 1-SD increase in VO2Max. *p < 0.10. **p < 0.05. | |||