Furthermore, no association was observed between age at menopause and CSF biomarkers for AD (Aβ42: β = −12.0, and P = 0.13, P-tau: β = 0.01, and P = 0.25, T-tau: β = 0.01, and P = 0.49, Aβ42/Aβ40: β = −0.02, and P = 0.058). This evidence concerns the gene MAPT and Alzheimer disease.