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Table 1 Participant demographics stratified by cognitive status

From: Network analysis of neuropsychiatric symptoms in Alzheimer’s disease

Participant Demographics Stratified by Cognitive Status (N = 12,494)

 

MCI

Dementia

n

2803

9691

Age [M(SD)]

73(8.23)

73.9(9.56)

Sex

 Male

50.48%

44.98%

 Female

49.52%

55.02%

Education Years [M(SD)]

16(6.81)

15(9.01)

Ethnic Racial Group (%)

 non-Hispanic white

75.10%

74.26%

 non-Hispanic Black

10.49%

11.09%

 Hispanic white

5.42%

5.91%

 Hispanic Black

0.32%

0.24%

 Other

8.67%

8.49%

Alzheimer's Disease Etiology

 Primary Etiology

94.18%

93.81%

 Contributing Etiology

5.82%

6.19%

CDR Global Impairment rating (%)

 None (0.0)

3.28%

0.29%

 Questionable (0.5)

94.40%

28.99%

 Mild (1.0)

2.32%

45.73%

 Moderate (2.0)

0.00%

17.19%

 Severe (3.0)

0.00%

7.80%

GDS Total Score[M(SD)]

2.64(2.57)

2.73(2.72)

  1. M mean, SD standard deviation, MCI mild cognitive impairment, CDR clinical dementia rating, GDS geriatric depression scale, MCI vs. Dementia derived from Cognitive Status at UDS Visit variable. Alzheimer’s disease etiology derived from clinician diagnosis of cause of observed cognitive impairment due to Alzheimer’s disease. Impairment ratings derived from the Clinical Dementia Rating Global Impairment score. Depression derived from Geriatric Depression Scale total score