Factors Related to Depression and Mental Health That Affect the Quality of Life of the Elderly

Table 6

Quality of sleep according to general characteristics.

Variable	Classification	Mean (SD)	t	p
Gender	Male	3.81 (0.83)	0.458	0.513
	Female	3.92 (0.75)
Age (year)	65–69	4.17 (0.12)	1.197	0.889
	70–79	3.79 (0.10)
	≥80	4.25 (0.27)
Religion	Buddhism	3.90 (0.78)	1.694	0.352
	Christianity	3.55 (0.72)
	Catholic	3.85 (0.75)
	No religion	4.12 (0.77)
Education	Junior high school graduate	3.95 (0.80)	0.006	0.951
	High school graduate	3.94 (0.79)
	University graduate or higher	3.95 (0.76)
Marital status	Married	3.97 (0.75)	0.839	0.590
	Bereavement, separation, divorce	3.84 (0.79)
	Single	4.68 (0.00)
Living together	Couple	3.98 (0.71)	0.496	0.778
	Married children	3.78 (0.85)
	Unmarried children	3.72 (1.08)
	Alone	3.95 (0.75)
Number of children	0-1	3.57 (0.91)	1.705	0.356
	2	4.06 (0.73)
	3-4	3.92 (0.70)
	≥5	4.06 (0.82)
Dependent child	Has	3.99 (0.73)	4.359	0.034
	None	3.44 (0.95)
A person who usually cares and helps	Marriage partner	3.91 (0.75)	1.067	0.435
	Children	3.99 (0.79)
	Neighbors and others	3.83 (0.77)
Meeting	Senior citizen’s center	3.90 (0.75)	0.443	0.729
	Senior college	3.89 (0.84)
	Senior volunteer group	4.39(0.32)
	None	3.92 (0.79)
Number of meetings	Once a week	4.15 (0.81)	2.423	0.162
	Once in two weeks	3.45 (0.39)
	Once a month	3.72 (0.61)
	Once in two months	3.85 (0.75)
Occupation status	Has	4.10 (0.70)	0.382	0.435
	None	3.91 (0.79)
Economic level	Low	3.51(0.75)	5.788	0.005
	Medium	4.04 (0.74)
	High	4.08 (0.76)
Monthly allowance	≥100,000 won	3.78 (0.78)	0.436	0.540
	≥200,000 won	3.91 (0.84)
	≥300,000 won	3.85 (0.72)
	≥400,000 won	4.16(0.69)
	≥500,000 won	3.94 (0.78)
Subjective health status	Very healthy	4.54 (0.42)	4.536	0.001
	Healthy	4.22 (0.70)
	Average	3.93 (0.75)
	Unhealthy	3.49 (0.78)
	Very unhealthy	3.76 (0.68)
Disease status	Has	3.95 (0.80)	0.021	0.886
	None	3.92 (0.76)