Table 2.

Quality of Life (QOL) scores by psychological health status

	< 3 point($\overline{x}$ ±s)	≥3 point($\overline{x}$ ±s)	Total($\overline{x}$ ±s)	t	P value
Physical	21.2 ± 2.5	18.7 ± 2.7	20.6 ± 2.7	36.013	< 0.001
Psychological	17.7 ± 2.1	15.4 ± 2.5	17.2 ± 2.4	38.213	< 0.001
Social relationships	10.0 ± 1.5	8.6 ± 1.8	9.7 ± 1.7	31.980	< 0.001
Environment	25.3 ± 3.7	22.2 ± 4.0	24.6 ± 4.0	30.001	< 0.001