Table 2.
Group comparisons between participants with sleep complaints and without sleep complaints.
| Total sample | Sleep complaints | Without sleep complaints | Groups comparisons | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| M | SD | Range | M | SD | Range | M | SD | Range | MW-U | Z | p | |
| Age | 74.46 | 7.355 | 58–91 | 73.80 | 7.654 | 58–90 | 75.08 | 6.990 | 62–91 | 1128 | −0.829 | 0.407 |
| Education | 5.68 | 4.865 | 0–22 | 5.21 | 4.964 | 0–22 | 6.12 | 4.853 | 0–21 | 1069 | −1.096 | 0.273 |
| MMSE | 25.67 | 3.078 | 15–30 | 25.08 | 4.041 | 15–30 | 25.87 | 2.419 | 21–30 | 594 | −0.311 | 0.756 |
| FAB | 12.23 | 3.281 | 4–18 | 12.14 | 3.380 | 4–18 | 12.48 | 3.245 | 6–18 | 1177 | −0.492 | 0.623 |
| ADL | 3.63 | 4.834 | 0–23 | 3.86 | 4.740 | 0–18 | 2.91 | 4.568 | 0–23 | 542 | −1.201 | 0.23 |
Values are frequencies or Mean ± Standard Deviation (SD); FAB, Frontal Assessment Battery; MMSE, Mini-Mental State Examination; ADL, Activities of Daily Living; MW-U, Mann–Whitney U-Test; Z, difference between standard scores; p, significance level.