Table 4.
Absolute frequencies of persons and relative percentages with cognitive impairment by group
| Neuropsychological variables | Long-term ED | Short-term ED | Senior control | Junior control | Contrast of frequencies on WCI in all groups | WCI proportions comparison between groups (z-scores) | Effect size | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | %WCI | n | %WCI | n | %WCI | n | %WCI | X2 df=3 | |||||
| Matrix Rotationa | |||||||||||||
| Test Number | 13 | 39.3 | 3 | 8.8 | 2 | 6.1 | 1 | 3.0 | 14.52*** | 2.93** | 3.23** | 1.01 | .36 ¦.40 ¦ - - |
| Stroopa | |||||||||||||
| Name Cost | 9 | 28.1 | 5 | 15.2 | 2 | 6.5 | 2 | 6.5 | 7.33 | 1.27 | 2.26* | 0.00 | - - ¦ .28 ¦ - - |
| Color cost | 11 | 34.4 | 2 | 6.1 | 2 | 6.5 | 2 | 6.5 | 14.29*** | 2.85** | 2.74** | -0.06 | .35 ¦.34 ¦ - - |
| Trail Making Testb | |||||||||||||
| Part A | 12 | 36.4 | 5 | 15.2 | 5 | 15.6 | 6 | 18.8 | 4.85 | 1.97* | 1.90 | -0.38 | .24 ¦ - - ¦ - - |
| Part B | 16 | 48.5 | 7 | 21.2 | 5 | 15.6 | 5 | 15.6 | 10.03* | 2.32* | 2.83** | 0.58 | .28 ¦ .35 ¦ - - |
| Tower of London (ToL)a | |||||||||||||
| Total | 9 | 29.0 | 2 | 6.3 | 4 | 12.5 | 2 | 6.3 | 7.71 | 2.38* | 1.62 | 0.00 | .30 ¦ - - ¦ - - |
| Posnera | |||||||||||||
| Invalid | 4 | 12.1 | 2 | 5.7 | 2 | 6.7 | 2 | 6.9 | 1.20 | 0.93 | 0.73 | -0.19 | - - ¦ - - ¦ - - |
| Neutral | 6 | 18.2 | 1 | 2.9 | 2 | 6.7 | 2 | 6.9 | 5.36 | 2.07* | 1.37 | -0.76 | .25 ¦ - - ¦ - - |
| Valid | 7 | 21.2 | 6 | 17.1 | 2 | 6.7 | 2 | 6.9 | 4.88 | 0.43 | 1.65 | 1.23 | - - ¦ - - ¦ - - |
| Rey Figurea | X2 df=1 | c1 (z-scores) c1 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Copy | 0 | 0.0 | 0 | 0.0 | - - | - - | - - | - - | - - |
| Memory Total | 12 | 36.4 | 1 | 4.2 | - - | - - | 9.30** | 2.86** | .38 |
| Delayed Recall Total | 10 | 30.3 | 2 | 8.3 | - - | - - | 5.33* | 2.01* | .26 |
| Wechslera | |||||||||
| Vocabulary Test | 0 | 0.0 | 0 | 0.0 | - | - | - | - | - |
| Haylingb | |||||||||
| Part A | 18 | 60.0 | 14 | 43.8 | - | - | 0.27 | 1.28 | - |
| Part B | 27 | 90.0 | 23 | 71.9 | - | - | 0.75 | 1.80 | - |
Notes: aFisher’s Exact test; bChi-squared test; *p<.05; **p<.010; ***p<.001; Φ=Effect size for contingency table analysis.
Abbreviations: WCI, with cognitive impairment; c1, long-TermED vs short-term ED; c2, long-term ED vs senior control; c3, short-term ED vs junior control.