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. 2021 Feb 10;11(2):213. doi: 10.3390/brainsci11020213

Table 3.

Characteristics of the sample and differences between the two groups of comparison.

No Cognitive Impairment
(n = 20)
Cognitive Impairment
(n = 31)
p-Value
% (n) % (n)
Gender 0.360 *
Male 40 (8) 25.8 (8)
Female 60 (12) 74.2 (23)
Educational Level <0.001 **
Illiterate 0 (0) 45.2 (14)
Primary education 30 (6) 31.4 (16)
Secondary education 35 (7) 27.5 (14)
Higher education 35 (7) 13.7 (7)
Socioeconomic status 0.004 *
Level I 35 (7) 3.2 (1)
Level II 10 (2) 3.2 (1)
Level III 55 (11) 93.5 (29)
Mean (SD) Median (25–75% interquartile range) Mean (SD) Median (25–75% interquartile range)
Age 62.40 (5.51) 62 (58.50–64.50) 76.97 (10.66) 81 (64–86) <0.001 ***
MoCA Score 27.20 (1.20) 27 (26–28) 15.84 (6.05) 16 (10–22) <0.001 ***
ROC 4.55 (0.95) 5 (5–5) 2.97 (1.02) 3 (2–3) <0.001 ***
ROCUS 4.95 (0.22) 5(5–5) 3.10 (1.14) 3 (2–4) <0.001 ***
ROC-d (s) 501.05 (161.30) 484 (366–610) 667.76 (338.42) 642 (327–909) 0.150 ***
Physical ADLs-RTI-2 5.13 (0.04) 5.14 (5.14–5.14) 4.35 (0.77) 4.43 (3.86–5) <0.001 ***
Grooming 5 (0) 5 (5–5) 4.32 (0.83) 5 (4–5) <0.001 ***
Dressing 5 (0) 5 (5–5) 4.39 (0.96) 5 (4–5) 0.002 ***
Bathing 5 (0) 5 (5–5) 4.16 (1.19) 5 (4–5) <0.001 ***
Walking/Exercising 4.90 (0.31) 5 (5–5) 4.06 (1.12) 4 (4–5) 0.001 ***
Eating 5 (0) 5 (5–5) 4.45 (0.57) 4 (4–5) <0.001 ***
Toileting 5 (0) 5 (5–5) 4.68 (0.48) 5 (4–5) 0.005 ***
Taking Medication 6 (0) 6 (6–6) 4.35 (1.31) 4 (3–6) <0.001 ***
IADLs-RTI-2 5.31 (0.78) 5.64 (4.93–5.86) 3.42 (1.22) 2.86 (2.43–4.29) <0.001 ***
Housekeeping 4.30 (1.38) 5 (4.25–5) 2.81(1.66) 3 (1–5) 0.002 ***
Preparing and securing food 5.10 (1.65) 6 (4.50–6) 3.23 (1.67) 2 (2–5) 0.001 ***
Spending Money 5.35 (1.35) 6 (6–6) 3.61(1.52) 3 (3–6) <0.001 ***
Shopping 5.80 (0.89) 6 (6–6) 3.26 (1.53) 2 (2–4) <0.001 ***
Doing Laundry 5.25 (1.25) 6 (4.25–6) 3.77 (1.23) 3 (3–5) <0.001 ***
Traveling 5.45 (0.95) 6 (5–6) 3.32 (1.40) 3 (2–4) <0.001 ***
Telephoning 5.95 (0.22) 6 (6–6) 3.97 (1.45) 3 (3–6) <0.001 ***

Level I: Directors, managers and professionals with university training; Level II: intermediate occupations and self-employed; Level III: Manual workers; *: Chi-square test; **: Fisher’s exact test; ***: Mann–Whitney test.