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Table 1 Demographic and cognitive metrics for all participants across three timepoints. For continuous variables, values in the cells represent means ± standard deviations. MFQ-FoF: Memory Functioning Questionnaire Frequency of Forgetting Inverted Average; MMSE: Mini-Mental State Examination; WASI: Wechsler Abbreviated Scale of Intelligence; WMS-IV: Wechsler Memory Scale IV

From: Longitudinal change in hippocampal and dorsal anterior insulae functional connectivity in subjective cognitive decline

 

Time 1 (N = 69)

Time 2 (N = 34)

Time 3 (N = 28)

Time between measurements (months)

-

19.10 ± 1.62

18.43 ± .96

Baseline age (years)

68.33 ± 7.95

67.41 ± 8.95

66.46 ± 9.52

Sex (female, male)

56 F, 13M

29 F, 5 M

24 F, 4 M

Racial identity (African American/white)

54 / 15

25 / 9

20 / 8

Doctor seen for memory concerns

19 Y, 50 N

10 Y, 25 N

3 Y, 25 N

Family history of Alzheimer’s disease

34 Y, 35 N

19 Y, 15 N

11 Y, 17 N

Geriatric Depression Scale (GDS)

3.82 ± 3.93

3.62 ± 3.70

3.71 ± 3.71

Beck Depression Inventory

4.59 ± 4.12

6.71 ± 5.49

5.56 ± 3.66

Big Five Conscientiousness

37.36 ± 5.48

37.35 ± 4.60

36.75 ± 4.56

Big Five Neuroticism

17.41 ± 6.00

17.29 ± 5.39

17.89 ± 5.74

MFQ-FoF

2.99 ± .91

2.95 ± .95

2.91 ± .79

MMSE

28.32 ± 1.97

28.83 ± 1.16

28.86 ± 1.30

WASI Full IQ 4-Scale

98.09 ± 11.45

101.87 ± 12.93

100.96 ± 13.03

Rey Auditory Total

46.43 ± 9.31

48.90 ± 8.87

47.64 ± 10.03

WMS-IV Auditory Index

.47 ± .12

.55 ± .11

.54 ± .13

WMS-IV Visual Index

.54 ± .11

.55 ± .12

.57 ± .15

WMS-IV Visual Working Memory Index

.40 ± .12

.42 ± .11

.41 ± .15

WMS-IV Immediate Memory Index

.55 ± .10

.58 ± .10

.58 ± .12

WMS-IV Delayed Memory Index

.47 ± .11

.51 ± .12

.53 ± .14

Trail making task B/A ratio

2.64 ± 1.25

2.34 ± .84

2.13 ± .87

Digit symbol substitution total

39.78 ± 11.41

41.70 ± 10.89

43.86 ± 13.06

Stroop task ratio

2.00 ± .47

1.91 ± .30

1.96 ± .41

Verbal fluency total

36.55 ± 7.46

39.74 ± 7.82

38.04 ± 8.79