Table 3.

Comparison of QOL scores according to demographic variables

	QOL scores, Mean ± SD	df	P-value	95% CI of the difference
				Lower	Upper
Sex		119	< 0.001	17.5	34.15
Male	105.66 ± 22.65
Female	79.83 ± 23.30
Marital status		119	< 0.001	13.75	9.17
Married	110.75 ± 21.90
Single	90.29 ± 25.70
Employment status		119	< 0.001	10.62	34.29
Employed	112.90 ± 19.76
Unemployed	90.45 ± 25.80

SD = standard deviation, QOL = quality of life, CI = confidence interval, df= degrees of freedom