Table 1 Characteristics of the study sample
Characteristics | Mean (SD) | Group Differences | ||||
|---|---|---|---|---|---|---|
Full Sample (N = 969) | CU (N = 815) | MCI (N = 142) | P values | |||
Age | 67.57 (2.52) | 67.56 (2.51) | 67.76 (2.52) | p > 0.05 | ||
Male (n) | 969 (100%) | - | - | - | ||
Years of Education | 13.98 (2.09) | 14.09 (2.11) | 13.41 (1.92) | p < 0.001 | ||
Young Adult General Cognitive Ability (z-scores)* | 0.31 (0.67) | 0.31 (0.66) | 0.32 (0.72) | p > 0.05 | ||
Health Status | 1.80 (1.36) | 1.80 (1.36) | 1.82 (1.38) | p > 0.05 | ||
Plasma NfL (ng/L) | 13.18 (6.88) | 13.08 (6.84) | 13.89 (7.18) | p > 0.05 | ||