Physical Performance Is Associated with Working Memory in Older People with Mild to Severe Cognitive Impairment
Table 1
Demographics and characteristics of participants.
Total participants ()
Participants in analysis ()
Participants not in analysis ()
Test statistics
mean
SD
mean
SD
mean
SD
df
Demographics and characteristics
MMSE (0–30)
15.4
5.9
17.4
4.8
11.6
6.1
−5.66**
132
Age (years)
82.2
7.3
82.5
7.1
81.4
7.8
−0.84
132
Education (1–7)
3.4
1.5
3.4
1.4
3.4
1.7
0.12
127
Gender (% women)
71.6
75.9
63.8
1
GDS (0–30)
7.2
5.5
7.1
5.7
8.5
3.7
0.85
96
SCL-90 (0–75)
21.1
6.5
21.0
6.6
21.4
5.1
0.17
94
BMI (kg/m2)
26.9
4.4
27.2
4.3
26.3
4.5
−1.01
115
Medication use (0–26)
4.7
2.5
4.6
2.5
5.0
2.4
0.81
129
Comorbidities (% with disease)
Endocrine/metab/nutr
24.2
26.4
20.0
1
Heart/circulation
65.2
66.7
62.2
1
Musculoskeletal
37.9
41.4
31.1
1
Neurological
97.0
96.6
97.8
1
Sensory
24.2
26.4
20.2
1
Psychiatric/mood
24.2
25.3
22.2
1
Pulmonary
9.8
9.2
11.1
1
Other
30.3
29.9
31.1
1
Notes: Test statistics show differences between participants in analysis and participants not in analysis; df: degrees of freedom; : independent -test; test; value < 0.05; value . BMI: Body Mass Index; GDS: Geriatric Depression Scale; metab: metabolic; MMSE: Mini-Mental State Examination; nutr: nutritional; SCL-90: Symptoms Checklist 90.
