Table 1.

Demographic characteristics of participants with Alzheimer's disease (AD) and comparison group (C)

	Overall	AD*	C*
N	47	23	24
Age at the first NP exam	71 ± 10 [51, 92]	72 ± 11 [51, 92]	70 ± 10 [57, 90]
Time between first NP and death	16 ± 10 [0.3, 29.8]	16 ± 9 [3.7, 28.6]	15 ± 12 [0.3, 29.8]
Age at death	87 ± 10 [59, 105]	88 ± 8 [59, 100]	85 ± 11 [61, 105]
Male, n (%)	21 (44.7%)	11 (47.8%)	10 (41.7%)
Education, n (%)
High school	7 (14.9)	3 (13.0%)	4 (16.7%)
High school graduate	15 (31.9%)	6 (26.1%)	9 (37.5%)
Some college or greater	25 (53.2%)	14 (60.9%)	11 (45.8%)

^*There is no statistically significant difference between the AD and NAD groups; all p-values are > 0.27.