Preliminary evidence for an increased likelihood of a stable trajectory in mild cognitive impairment in individuals with higher motivational abilities

Table 4 Informant-rated motivational abilities for all Mild Cognitive Impairment (MCI) cases at baseline (n = 53) and comparison of informant-rated motivational abilities between the subgroups ‘MCI Stability’ and ‘MCI Conversion’ as diagnosed at last follow-up (t4)

Motivational abilities ^a	MCI total (n = 53)	MCI stability (n = 32)	MCI conversion (n = 21)	t-test	p	d
Composite measure, min-max, M (SD)	2–14.5	3–14.5	2–11	2.31	0.025	0.665
Composite measure, min-max, M (SD)	8.48 (2.88)	9.21 (2.93)	7.40 (2.50)	2.31	0.025	0.665
Motivation regulation, min-max, M (SD)	2–15	2–15	2–11	2.23	0.030	0.654
Motivation regulation, min-max, M (SD)	8.37 (3.24)	9.16 (3.53)	7.19 (2.38)	2.23	0.030	0.654
Decision regulation, min-max, M (SD)	0–15	0–15	2–12	1.92	0.061 ^b	0.545
Decision regulation, min-max, M (SD)	8.60 (3.10)	9.26 (3.10)	7.62 (2.91)	1.92	0.061 ^b	0.545

d Cohen’s d, M mean, max maximum, min minimum, n number, SD standard deviation, t independent t-test
^a Composite measure including informant-rated motivational abilities at baseline (t1)
^b marginally significant
The bold values indicate a statistically significant difference with a p-value less than 0.05

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