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Table 1 Descriptive statistics of demographic variables and main study variables for the IDEAL study sample

From: Attitudes toward own aging and cognition among individuals living with and without dementia: findings from the IDEAL programme and the PROTECT study

Characteristic Sample who took part in the IDEAL study at baseline (n = 1502) Missing Sample who took part in the PROTECT study in 2019 (n = 6053) Missing
Age in years, Mean (SD) 76.3 (8.5) 0 66.1 (7.1) 0
Sex (Women; n (%)) 657 (43.7) 0 4612 (76.2) 0
Education (n (%))   34   0
Below university 1176 (80.1)   1491 (24.6)
University 292 (19.9)   4562 (75.4)
Current employment (Yes; n (%))   3   0
In paid employment 41 (2.7)   1957 (32.3)
Retired 1414 (94.3)   2162 (35.7)
Unemployed/doing voluntary (unpaid) work 44 (2.9)   1934 (32.0)
Diagnosis subtype (n (%))   0 Not applicable
Alzheimer’s disease 833 (55.5)
Vascular dementia 167 (11.1)
Mixed (Alzheimer’s and vascular) 315 (21.0)
Frontotemporal dementia 53 (3.5)
Parkinson’s disease dementia 42 (2.8)
Dementia with Lewy bodies 52 (3.5)
Unspecified/other 40 (2.7)
ACE-III total score, Mean (SD) 69.12 (13.12) 103 Not applicable
Attention 13.87 (2.99)
Memory 13.49 (5.38)
Verbal fluency 6.75 (3.06)
Language 22.45 (3.63)
Visuospatial ability 12.51 (3.25)
Attitudes toward own aging, Mean (SD) 2.36 (1.58)   2.62 (0.79)  
Depression (Depressed; n(%)) 441 (30.1) 38 1496 (24.8) 27
Functional ability (Dependent; n(%)) 1318 (90.9) 52 463 (7.7) 0
Self-rated health, (n (%))   4   11
Poor 201 (13.4)   120 (2)
Fair 354 (23.6)   765 (12.7)
Good 842 (56.2)   3299 (54.6)
Excellent 101 (6.7)   1858 (30.8)
Co-morbidity; Mean (SD) 2.91 (1.91) 103 Not applicable
  1. Note: ACE-III, Addenbrooke’s Cognitive Examination-III