Table4 . Relation between sleep quality and demographic and clinical variables.

Variables	PSQI (Mean±SD)	p
Age		0.004
60< 69-60	6.39±3.05 8.48±3.75
70-79	8.40±3.77
80-89	9.62±3.66
Gender		0.042
Male Female	7.90±3.34 8.97±3.92
Educational level		<0.001
Diploma and higher Elementary Illiterate	10.64±3.67 7.88±3.32 6.95±3.96
Occupation		0.038
Employed(active) Retires Homemaker On sickness leave	10.88±4.01 8.44±3.90 7.67±3.15 9.46±3.55
Hospitalization		0.005
frequency 1-2 3-4 5-6 >7	7.57±3.56 8.40±3.45 10.64±3.98 8.70±4.05
LVEF (%)		0.015
10-19 20-29 30-40	9.85±2.66 9.82±3.76 8.11±3.81
Diuretic consumption		0.021
Yes NO	8.89±3.76 7.06±3.38
Non cardiac diseases		<0.001
Yes No	8.70±3.76 5.28±1.25