Table 1.

Comparison of general demographic data between 2 groups.

Variables	Categories	The control group (n = 105)	The intervention group (n = 105)	T/χ2	P-value
Age		65.18 ± 9.47	64.94 ± 11.84	0.161	.872
Gender	Male	74	75	0.023	.879
	Female	31	30
Education	Junior high school and below	43	41	0.974	.615
	High school or secondary school	55	53
	College and above	7	11
Place of residence	Urban	77	72	0.578	.447
	Rural	28	33
Marital status	Unmarried	3	2	0.815	.665
	Married	92	96
	Divorced or widowed	10	7
Smoking history	No	57	51	0.686	.407
	Yes	48	54
Drinking history	No	84	77	1.304	.253
	Yes	21	28
The score of KPS	≤70	13	15	1.165	.685
	≥80	92	90

KPS = Karnofsky performance status.