Table 2.

Bivariate analyses for the association of studied variables with sleep quality.

	Sleep quality		OR	95% CI	P value
	Good 339 (72%)	Poor 132 (28%)
Sex
Female	201 (68.4)	93 (31.6)	1	—	—
Male	138 (78.0)	39 (22.0)	0.61	0.40-0.94	0.025
Age
≤20 years	194 (70.3)	82 (29.7)	1	—	—
>20 years	145 (74.4)	50 (25.6)	0.81	0.54-1.2	0.333
Marital status
Single	283 (70.9)	116 (29.1)	1	—	—
Married	56 (77.8)	16 (22.2)	0.69	0.38-1.27	0.235
BMI
<25	259 (71.7)	102 (28.3)	1	—	—
≥25	80 (72.7)	30 (27.3)	0.95	0.59-1.54	0.841
Family residency
Urban	264 (71.3)	106 (28.7)	1	—	—
Rural	75 (74.3)	26 (25.7)	0.86	0.52-1.42	0.565
Ethnicity
Fars	288 (71.3)	116 (28.7)	1	—
Other	51 (76.1)	16 (23.9)	0.78	0.43-1.42	0.416
Family size
≤4	135 (72.6)	51 (27.4)	1	—	—
>4	204 (71.6)	81 (28.4)	1.05	0.69-1.58	0.813
Smoking
No	327 (73.3)	119 (26.7)	1	—	—
Yes	12 (48.0)	13 (52.0)	2.97	1.32-6.71	0.008
Physical activity
Low	154 (70.6)	64 (29.4)	1.72	1.0-2.95	0.05
Moderate	90 (66.7)	45 (33.3)	2.07	1.16-3.69	0.014
High	95(80.5)	23 (19.5)	1	—	—
Family WI
Poorest	74 (72.5)	28 (27.5)	1	—	—
Poor	67 (68.4)	31 (31.6)	1.2	0.66-2.25	0.517
Moderate	63 (75.0)	21 (25.0)	0.88	0.45-1.70	0.706
Rich	66 (71.0)	27 (29.0)	1.08	0.58-2.02	0.806
Richest	68 (73.1)	25 (26.9)	0.97	0.52-1.83	0.929
Depression
No	290 (78.4)	80 (21.6)	1	—	—
yes	49 (48.5)	52 (51.5)	3.8	2.42-6.11	<0.001
Anxiety
No	250 (77.9)	71 (22.1)	1	—	—
yes	89 (59.3)	61 (40.7)	2.4	1.59-3.67	<0.001

Abbreviations: BMI: body mass index; WI: wealth index; OR: odds ratio; CI: confidence interval.