Table 1.

Demographic data of all participants, subdivided into psychosis group

Demographic variable	AD − P (n = 606)	AD + D (n = 173)	AD + H (n = 79)	AD + DH (n = 103)
Age of death	81.1 ± 10.0	80.5 ± 10.8	78.6 ± 9.9	78.8 ± 9.9
Age of cognitive decline	71.4 ± 10.1	70.3 ± 11.0	69.2 ± 9.4	68.6 ± 9.8
Race	89.9% White 4.6% Black 0.8% Asian 4.7% Hispanic	92.1% White 4.0% Black 0.6% Native Hawaiian/Pacific Islander 3.4% Hispanic	92.4% White 7.5% Black	81.2% White 9.9% Black 5.0% Asian 4.0% Hispanic
Gender	57.5% Male 42.5% Female	54.2% Male 45.8% Female	55.2% Male 44.8% Female	57.4% Male 42.6% Female
MMSE score at last clinical visit	14.3 ± 8.2	15.3 ± 7.2	10.8 ± 7.8	10.4 ± 6.4

Abbreviations: AD − P, never psychotic; AD + D, delusion-only psychosis; AD + H, hallucination-only psychosis; AD + DH, delusion and hallucination psychosis; MMSE, Mini–Mental State Examination.