Table 3.

Odds ratio and 95% confidence interval for poor sleep quality

Variable	Unadjusted OR (95% CI)	Adjusted OR (95% CI)
Age
<15	Reference	Reference
≥15	4.87 (2.3-9.9)	4.9 (2.2-10.8)
Gender
Female	Reference	Reference
Male	0.56 (0.3-1.1)	0.5 (0.2-1.2)
Type of family
Nuclear	Reference
Extended	1.03 (0.5-2.04)
Number of rooms
One	Reference
Two or more	0.9 (0.5-1.7)
Father’s occupation
Semi-skilled worker/unskilled worker/unemployed	Reference
Profession/semi-profession/clerical/shop owner/farmer/skilled worker	1.17 (0.6-2.3)
Vacation
No	Reference	Reference
Yes	1.5 (0.8-2.9)	1.3 (0.6-2.8)
Screen time (h)
<2	Reference
≥2	1.3 (0.6-2.6)
BMI
Normal	Reference
Overweight/obesity	0.74 (0.2-2.5)
PSS
Low stress	Reference
Moderate/high stress	0.69 (0.2-2.2)

OR: Odd ratio, CI: Confidence interval, BMI: Body mass index, PSS: Perceived stress scale