Table 2.

Comparison of age, MMSE scores, and global and category scores from the IADL and the Activity Scale at baseline, broken down by research group: MCI-C (MCI converting to dementia) and MCI-S (stable MCI).

	MCI-C (n=34) mean ±SD	MCI-S (n=41) mean ±SD	t	df	p	F variance	p variance
Age	78.79±8.40	75.76±9.67	1.44	73	0.16	1.33	0.41
Gender	1.09±0.29	1.22±0.42	−1.55	73	0.13	2.12	0.03
MMSE(C)-I	27.20±3.08	27.45±2.89	−0.36	73	0.72	1.13	0.70
MMSE(C)-II*	24.70±3.37	26.33±2.83	−2.28	73	0.03	1.42	0.29
MMSE(C) I–II*	2.50±2.03	1.12±2.17	2.82	73	0.01	1.14	0.71
MMSE(C) VII*	19.14±5.40	26.06±2.93	−7.05	73	0.00	3.39	0.00
IADL-tele*	2.41±0.61	1.76±0.80	3.93	73	0.00	1.72	0.11
IADL-shop*	1.91±0.45	1.49±0.60	3.41	73	0.00	1.74	0.10
IADL-meal	1.62±0.49	1.46±0.50	1.33	73	0.19	1.05	0.90
IADL-clea	1.29±0.46	1.32±0.47	−0.21	73	0.83	1.04	0.92
IADL-laun	1.29±0.46	1.29±0.46	0.01	73	0.99	1.01	0.97
IADL-tran*	1.24±0.43	1.05±0.22	2.43	73	0.02	3.90	0.00
IADL-meds	1.18±0.39	1.05±0.22	1.80	73	0.08	3.15	0.00
IADL-pfin*	1.76±0.82	1.05±0.22	5.38	73	0.00	14.09	0.00
IADL-global*	12.71±1.82	10.46±2.30	4.61	73	0.00	1.61	0.17
A-intellectual	2.62±1.76	3.00±1.79	−0.93	73	0.36	1.04	0.93
A-physical*	3.38±2.47	5.76±2.60	−4.03	73	0.00	1.10	0.78
A-social	4.65±3.45	5.54±3.67	−1.07	73	0.29	1.13	0.72
A-global*	10.65±6.94	14.58±6.89	−2.44	72	0.02	1.01	0.96

^*Statistically significant differences (p≤0.05).

Abbreviations for the IADL: tele – telephone use; shop – shopping; meal – meal preparation; clea – cleaning house; laun – laundry; tran – transportation; meds – medications; pfin – personal finances; global – global score on the IADL. For other abbreviations cf. Table 1.