a negative trendp = 0.4549
Conversely, for participants with a family history of AD (FH+), there was a positive trend between vitamin B12 intake and connectivity in IC 8 (beta value = 0.0007; p = 0.4703), and a negative trend for IC 19 (beta value −0.0006; p = 0.4549), although these trends were not statistically significant.