Table 2

- Association of demographic, clinical characteristics, insomnia (ASQ), and Pittsburgh Sleep Quality Index (PSQI).

Variables	Global PSQI	Quality	Latency	Duration	Efficiency	Distribution	Sleeping medications	Daytime dysfunction
Age
≤40	6.57±3.84^a	1.04±0.99^a	1.47±1.05^a	1.10±1.02^a	0.74±1.02^a	1.18±0.57^a	0.36±0.84^a	0.94±0.84^a
41-60	6.78±3.74^a	1.11±1.07^a	1.47±1.04^a	1.07±1.01^a	0.81±1.08^a	1.23±0.60^a	0.38±0.84^a	1.01±0.81^a
>60	7.60±4.20^a	1.00±1.00^a	1.65±1.15^a	1.47±0.99^a	0.84±1.06^a	1.08±0.42^a	0.74±1.29^a	0.96±0.88^a
Marital status
Single	6.28±3.70^a	0.96±0.95^a	1.32±1.03^a	1.19±0.98^ac	0.75±1.04^a	1.15±0.58^a	0.37±0.87^a	0.79±0.76^a
Married	7.50±3.83^b	1.26±1.09^b	1.77±1.04^b	0.92±1.05^b	0.78±1.01^a	1.29±0.55^b	0.40±0.85^a	1.34±0.83^b
Widow	7.33±4.36^ab	1.11±1.27a, ^b	1.78±1.09^ab	2.00±1.07^ac	2.75±0.50^b	1.11±0.93^ab	-	0.67±0.71^ab
Divorced	6.44±4.64^ab	1.17±1.18a, ^b	1.48±1.02^ab	0.89±1.05^b	0.70±1.12^a	1.13±0.63^ab	0.40±0.84a	1.00±0.95^ab
Gender
Male	6.24±3.50^a	0.95±0.94^a	1.30±1.01^a	1.26±0.93^a	0.65±0.99^a	1.10±0.56^a	0.38±0.86^a	0.85±0.75^a
Female	7.04±4.05^b	1.157±1.07 ^b	1.62±1.06^b	0.97±1.07^b	0.87±1.07 ^b	1.28±0.58^b	0.38±0.85^a	1.07±0.88^b
Nationality
Saudi	6.65±3.77^a	1.04±1.02^a	1.49±1.05^a	1.08±1.02^a	0.78±1.06^a	1.20±0.58^a	0.37±0.85^a	0.97±0.81^a
Non-Saudi	6.89±4.40^a	1.28±0.92^a	1.27±1.11^a	1.39±0.97^b	0.54±0.76^a	1.18±0.58^a	0.51±0.97^a	0.96±1.00^a
Education
Primary	7.60±6.50^a	1.20±1.09^a	0.80±0.84^a	1.75±1.50^a	2.67±0.58^a	1.40±1.14^a	0.60±1.34^a	0.60±0.89^a
Secondary	6.71±3.95^a	0.98±0.97^a	1.52±1.00^a	1.17±1.12^a	1.00±1.20^b	1.18±0.58^a	0.46±1.03^a	0.84±0.83^a
University	6.66±3.79^a	1.07±1.02^a	1.47±1.06^a	1.10±1.00^a	0.74±1.02^b	1.19±0.57^a	0.37±0.84^a	0.98±0.83^a
Employment
Employee	6.62±3.80^a	1.05±1.02^a	1.46±1.04^a	1.13±1.01^a	0.72±1.01^a	1.19±0.58^a	0.37±0.83^a	0.96±0.83^a
Non-employees	6.84±3.88^a	1.09±1.03^a	1.50±1.08^a	1.01±1.03^a	0.94±1.11^b	1.19±0.56^a	0.42±0.94^a	0.99±0.83^a
Occupation
Healthcare workers	6.72±3.72^a	1.09±1.03^a	1.52±1.01^a	1.16±0.99^a	0.84±1.08^a	1.15±0.60^a	0.43±0.89^a	0.99±0.83^a
Enterprise or institution workers	6.55±3.83^a	1.03±1.00^a	1.44±1.06^a	1.15±1.00^a	0.72±1.03^a	1.21±0.53^a	0.31±0.77^a	0.99±0.83^a
Teachers or students	6.63±3.87^a	1.10±1.02^a	1.44±1.05^a	1.08±1.06^a	0.61±0.90^a	1.21±0.64^a	0.41±0.87^a	0.99±0.83^a
Insomnia (ASQ)
No	6.47±3.69^a	1.03±0.98^a	1.49±1.08^a	1.11±1.00^a	0.72±1.02^a	1.16±0.55^a	0.32±0.77^a	0.92±0.83^a
Yes	6.84±3.92^a	1.08±1.05^a	1.45±1.03^a	1.10±1.03^a	0.80±1.06^a	1.22±0.60^a	0.43±0.92^a	1.01±0.83^a

Data are presented as mean± SD. Means within the same column carrying different superscripts are significantly different at (p<0.05).