TABLE 4.

The final model for predicting poor sleep quality among medical students.

Predictors	OR	95% Cl	P
Drinking
Don’t drinking	Ref	Ref	Ref
Drinking	1.278	1.087∼1.503	0.003
Study stress
Very light	Ref	Ref	Ref
Light	1.803	0.962∼3.667	0.082
Heavy	2.753	1.456∼5.631	0.003
Very heavy	3.182	1.606∼6.760	0.002
Feeling unwell recently
Yes	Ref	Ref	Ref
No	0.638	0.546∼0.745	p < 0.001
Depression
No	Ref	Ref	Ref
Yes	4.305	3.581∼5.180	p < 0.001
Anxiety
No	Ref	Ref	Ref
Yes	1.808	1.497∼2.183	p < 0.001