Table 2.
Association between serum magnesium concentrations and cognitive function1.
| Quartiles of serum magnesium | |||||||
|---|---|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | p for trend | Magnesium (continuous) | p | |
| Model 12 | 0 (reference) | −19.9 (−50.9 to 11.1) | −16.4 (−47.5 to 14.8) | −34.1 (−65.6 to −2.54) | 0.049 | −198.9 (−391.4 to −6.3) | 0.043 |
| Model 23 | 0 (reference) | −17.8 (−48.4 to 12.8) | −18.3 (−49.0 to 12.5) | −31.9 (−63.0 to −0.82) | 0.05 | −206.3 (−396.1 to −16.4) | 0.033 |
| Model 34 | 0 (reference) | −9.3 (−40.4 to 21.8) | −10.7 (−42.2 to 20.8) | −24.7 (−56.5 to 7.2) | 0.14 | −140.1 (−336.2 to 56.1) | 0.16 |
1Values are regression coefficients (95% CI) from multivariable linear regression. 2Adjusted for age and gender. 3Further adjusted for education, smoking, and physical activity. 4Further adjusted for BMI, diabetes, hypertension, and medication for diabetes and hypertension. p values < 0.05.