Table 1.

Demographic characteristics of the metamemory training (MMT) and control groups.

Characteristics	Total (N=60)	Groups		Mean difference (95% CI) or χ2	P value
		MMT (n=29)	Control (n=31)
Female gender, n (%)	50 (83.3)	24 (82.8)	26 (83.9)	0.01	.91
Age, years (SD)	71.21 (5.72)	70.48 (6.08)	71.94 (5.36)	1.453 (–1.503 to 4.409)	.33
Education, years (SD)	10.60 (3.83)	10.17 (4.17)	11.03 (3.49)	0.860 (–1.121 to 2.841)	.39
SGDSa score, mean (SD)	2.26 (3.37)	3.21 (4.16)	1.32 (2.59)	–1.884 (–3.662 to –0.106)	.04
SMCQb score, mean (SD)	17.84 (2.64)	18.69 (3.13)	17.00 (2.16)	–1.690 (–3.072 to –0.308)	.02
MMSEc score, mean (SD)	27.90 (1.50)	27.76 (1.66)	28.03 (1.33)	0.274 (–0.501 to 1.049)	.48

^aSGDS: Short-Form Geriatric Depression Scale.

^bSMCQ: Subjective Memory Complaints Questionnaire.

^cMMSE: Mini-Mental State Examination.