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Table 4 Degree of coincidence of mental changes associated with cognitive decline noticed by the 663 older adults and their family members

From: Discrepancy in the perception of symptoms of cognitive decline between older adults and their family members: results of the Toyama dementia survey

Hasegawa Dementia Scale Score

≤20 points (n = 80)

21–24 points (n = 78)

≥25 points (n = 505)

Family

Family

Family

Yes %

No %

κ statistic

Yes %

No %

κ statistic

Yes %

No %

κ statistic

Loss of appetite

Participants

Yes

5.0

1.3

0.707

3.8

1.3

0.647

2.0

2.2

0.540

No

2.5

91.3

 

2.6

92.3

 

1.0

94.9

 

Being unable to sleep at night

Participants

Yes

3.8

7.5

0.307

3.8

5.1

0.413

3.8

7.5

0.410

No

5.0

83.8

 

3.8

87.2

 

1.6

87.1

 

Losing motivation and interest in things

Participants

Yes

7.5

10.0

0.185

2.6

7.7

0.284

0.8

6.1

0.146

No

17.5

65.0

 

2.6

87.2

 

1.4

91.7

 

Worrying about their health

Participants

Yes

3.8

12.5

0.299

0.0

9.0

−0.023

1.6

4.8

0.304

No

1.3

82.5

 

1.3

89.7

 

1.6

92.1

 

Feeling restless

Participants

Yes

1.3

1.3

0.147

1.3

0.0

0.306

0.4

1.4

0.222

No

10.0

87.5

 

2.6

96.2

 

1.2

97.0

 

Becoming more forgetful

Participants

Yes

26.3

20.0

0.339

11.5

21.8

0.360

0.6

14.3

0.058

No

12.5

41.3

 

2.6

64.1

 

0.4

84.8