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Table 1 Baseline characteristics of the SHARE study participants according to the three clusters identified by the algorithm

From: Identification of high likelihood of dementia in population-based surveys using unsupervised clustering: a longitudinal analysis

 

SHARE

Cluster 1 (n = 11,369)

Cluster 2 (n = 3374)

Cluster 3 (n = 535)

Age, Years

64.6 (9.6)

65.2 (9.7)

76.5 (11)

Sex

 Female

6251 (55%)

1704 (50.5%)

368 (68.8%)

 Male

5118 (45%)

1670 (49.5%)

167 (31.2%)

Education

 Less than upper secondary education

5632 (49.5%)

1834 (54.4%)

426 (79.6%)

 Upper secondary and vocational training

3446 (30.3%)

928 (27.5%)

69 (12.9%)

 Tertiary education

2291 (20.2%)

612 (18.1%)

40 (7.5%)

Mobilitity impairment score [0–7]

1 (1.4)

1 (1.4)

4.9 (1.5)

Autonomy

 ADL score [0–6]a

0.1 (0.3)

0.1 (0.4)

3.1 (1.7)

 IADL score [0–7]a

0.2 (0.5)

0.2 (0.6)

4.2 (1.8)

Cognition

 Immediate Word Recall [0–10]a

5 (1.7)

4.7 (1.9)

2.6 (1.9)

 Verbal Fluency [0–67]a

19.7 (7.1)

18.7 (7.3)

10.4 (6)

  1. a Missing values were imputed using MissMDA package