Table 4. The change of MMSE-K on cognitive function of the elderly living alone by group integrated intervention program

Variables	Groups	Pre-test	Post-test	Difference	t-value
Variables	Groups	Mean ± SD			t-value
MMSE-K	Experimental (n = 10)	21.7 ± 1.29^a	24.9 ± 1.47^b	−3.2 ± 0.69	−2.72
MMSE-K	Control (n = 10)	19.6 ± 1.72^a	20.2 ± 1.18^a	−0.6 ± 0.73	−2.60

Within columns, values with different superscripts are significant different (p < 0.05).