			Inadequate health literacy		Adequate health literacy		p value
Care givers age (years)	<30		36	100%	0	0.0%	<0.001
	30 - 50		45	51.7%	42	48.3%
	>50		69	89.6%	8	10.4%
Care givers sex	Male		9	42.9%	12	57.1%	<0.001
Care givers sex	Female		141	78.8%	38	21.2%	<0.001
Care givers education (years) (mean ± SD)			7.8 ± 3.1		11.6 ± 4.2		<0.001
Duration of hospital stay (days)		<5 days	53	63.9%	30	36.1%	0.009
		5 - 10 days	37	82.2%	8	17.8%
		>10 days	60	83.3%	12	16.7%
Frequency of hospitalization		>3 times	92	84.4%	17	15.6%	0.001
Frequency of hospitalization		<3 times	58	63.7%	33	36.3%	0.001
Physical component summary of health related QOL		Abnormal	109	69.4%	48	30.6%	0.001
Mental component summary of health related QOL		Abnormal	91	71.1%	37	28.9%	0.001