Table 2.
MacCAT-CR Scores for the three groups.
| MacCAT-CR Scale | Schiz/SchizoAff Disorder | Comparison Subjects | Diabetes | Test of Overall and Pair-wise Group Differences |
|---|---|---|---|---|
| Understanding (0–26 points) | n = 52 | n = 57 | N = 49 | Overall: Kruskal-Wallis χ2(2) = 22.34, p < .001*. |
| Mean (SD) | 22.42 (6.03) | 25.46 (1.16) | 25.47 (1.42) | Mental Illness vs Diabetes: Mann-Whitney U z = −4.14, p < .001*. |
| Median | 25 | 26 | 26 | Mental Illness vs Non-ill: Mann-Whitney U z = −3.66, p < .001*. |
|
| ||||
| Appreciation (0–6 points) | n = 52 | n = 57 | N = 51 | Overall: Kruskal-Wallis χ2(2) = 29.82, p < .001*. |
| Mean (SD) | 4.35 (1.91) | 5.81 (0.64) | 5.43 (0.90) | Mental Illness vs Diabetes: Mann-Whitney U z = −2.90, p < .004*. |
| Median | 5 | 6 | 6 | Mental Illness vs Non-ill: Mann-Whitney U z = −5.28, p < .001*. |
| Diabetes vs Non-ill: Mann-Whitney U z = −3.11, p < .002*. | ||||
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| ||||
| Reasoning (0–8 points) | n = 52 | n = 57 | N = 51 | Overall: Kruskal-Wallis χ2(2) = 25.38, p < .001*. |
| Mean (SD) | 6.50 (2.31) | 7.77 (0.54) | 7.82 (0.43) | Mental Illness vs Diabetes: Mann-Whitney U z = −4.18, p < .001*. |
| Median | 7 | 8 | 8 | Mental Illness vs Non-ill: Mann-Whitney U z = −4.04, p < .001*. |
|
| ||||
| Expressing a Choice (0–2 points) | n = 52 | n = 57 | n = 51 | Overall Kruskal-Wallis χ2(2) = 9.72, p < .01. |
| Mean (SD) | 1.83 (0.51) | 2.00 (0) | 1.98 (0.14) | Mental Illness vs Diabetes Mann-Whitney U z = −1.94, p < .052. |
| Median | 2 | 2 | 2 | Mental Illness vs Non-ill. Mann-Whitney U z = −2.62, p < .009. |
*
Difference is significant at a .005 level.