Skip to main content

Table 2 Clinical measures of the dependent variable and independent variables

From: Influencing factors on instrumental activities of daily living functioning in people with mild cognitive disorder – a secondary investigation of cross-sectional data

 

Participants

   
  

a-MCI

mild AD

Test tatistica p-value

IADL (i-ADL DI, %)

 Mean (SD)

 Range

41 (22)

.0 – 94 (n = 103)

35 (23)

.0 – 86 (n = 62)

50 (18)

6 – 94 (n = 41)

t(98) = -3.75

p < 0.001

Memoryb (ADAS-cog;./30)

 Mean (SD)

 Range

12.5 (3.6)

4 – 22 (n = 105)

13.7 (3.5)

4 – 22 (n = 64)

10.6 (3.0)

5 – 18 (n = 41)

t(93) = 4.84

p < 0.001

Memoryc (CAMCOG-R;./27

 Mean (SD)

 Range

15.5 (3.9)

4 – 27 (n = 103)

17.1 (3.2)

10 – 27 (n = 62)

13.1 (3.4)

4 – 20 (n = 41)

t(82) = 5.93

p < 0.001

Attention (TMT-A, s)

 Mean (SD)

 Range

72.9 (46.9)

38.0 – 240.0

(n = 72)

67.6 (21.0)

38.0 – 119.9

(n = 44)

123.8 (55.5)

51.5 – 240.0

(n = 28)

t(32) = -4.97

p < 0.001

Attentiond (CAMCOG-R,./9)

 Mean (SD)

 Range

7.0 (1.8)

2 – 9 (n = 103)

7.2 (1.7)

2 – 9 (n = 62)

6.7 (1.7)

3 – 9 (n = 41)

t(86) = 1.56

p = 0.12

Executive function (FAB,./18)

 Mean (SD)

 Range

13.24 (2.9)

5 – 18 (n = 88)

13.8 (2.6)

8 – 18 (n = 55)

12.3 (3.4)

5 – 18 (n = 33)

t(54) = 2.12

p < 0.05

Executive function (TMT-B, s)

 Mean (SD)

 Range

218.2 (108.6)

50 – 536

(n = 49)

194.9 (102.1)

50 – 536

(n = 38)

298.8 (93.6)

158 – 450

(n = 11)

t(18) = -3.18

p < 0.01

Mobility (4-m test, s)

 Mean (SD)

 Range

5.4 (2.2)

3 – 15.1 (n = 98)

5.4 (2.1)

3 – 12.4 (n = 58)

5.5 (2.5)

3.3 – 15.1 (n = 40)

t(74) = -0.31

p = 0.75

Balance (Tinetti,./28)

 Mean (SD)

 Range

24.5 (2.9)

7 – 28 (n = 87)

24.6 (4.4)

7 – 28 (n = 52)

24.3 (4.7)

9 – 28 (n = 35)

t(69) = 0.29

p = 0.77

Education (years)

 Mean (SD)

 Range

13.0 (1.8)

6 – 17 (n = 105)

13.1 (1.9)

6 – 17 (n = 64)

12.9 (1.8)

6 – 17 (n = 41)

t(89) = 0.58

p = .57

Vision (impaired)

 Frequencies (Percent)

20 (19%)

(n = 105)

14 (22%)

(n = 64)

6 (15%)

(n = 41)

Χ2 = 0.85

p = .43

Hearing (impaired)

 Frequencies (Percent)

11 (10%)

(n = 105)

8 (12.5%)

(n = 64)

2 (5%)

(n = 41)

Χ2 = 2.25

p = .19

Living (alone)

 Frequencies (Percent)

55 (52%)

(n = 105)

36 (56%)

(n = 64)

19 (46%)

(n = 41)

Χ2 = 0.98

p = .43

  1. IADL Instrumental Activities of Daily Living, i-ADL DI Instrumental Activities of Daily Living Disability Index, CAMCOG-R Cambridge Cognitive Test-Revised, ADAS-cog Alzheimer’s Disease Assessment Scale, cognitive subscale, TMT—A Trail Making Test part A, FAB Frontal Assessment Battery, TMT-B Trail Making Test part B
  2. aDifferences between groups, MCI versus mild AD; Welch two-sample t-test, Chi-square test, if appropriate, bMemory subscale ADAS-cog, cMemory subscale CAMCOG-R, dAttention/Calculation subscale CAMCOG-R
Back to article page

BMC Geriatrics

ISSN: 1471-2318

Contact us