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. Author manuscript; available in PMC: 2020 Oct 13.
Published in final edited form as: J Alzheimers Dis. 2020;77(1):165–174. doi: 10.3233/JAD-200395

Table 2.

Psychiatric symptoms by ethnoracial background

White n = 1722 African American n=126 Hispanic n = 116 p value
NPI-Q total severity, median (range) 3(0–28) 4(0–25) 5(0–20) .002
NPI-Q =>4, % 46 50 58 .037
NPI symptom
 Delusion, % 18 25 28 .016
 Hallucination, % 25 29 35 .027
 Agitation, % 31 37 38 .111
 Depression, % 44 44 60 .006
 Anxiety, % 42 33 55 .002
 Euphoria, % 4 6 6 .543
 Apathy, % 46 44 44 .848
 Disinhibition, % 18 18 16 .927
 Irritability, % 39 37 40 .866
 Motor, % 19 27 26 .035
 Sleep, % 47 48 51 .735
 Appetite and eating, % 28 33 35 .095
GDS total, median (range) 3(0–15)a 2(0–15)a 4(0–15)b <0.0001
GDS => 6; % 21a 19a 39b <0.0001

Abbreviation: NPI, Neuropsychiatric Inventory- Questionnaire; GDS, Geriatric Depression Scale.

White NPI-Q total n = 1708; White delusions, hallucination, euphoria n = 1720; White agitation, disinhibition, irritability, appetite n = 1721; White sleep n = 1719; White GDS n = 1548; African American GDS n = 108, Hispanic GDS n = 108

Note: Proportions with different alphabetic superscript are statistically significant using post hoc Bonferroni-correction. Identical alphabetic superscript means they did not significantly differ