Table 5. The regression of seven aspects of the sleep quality.

	Covariates	Adjusted OR	95%CI	p-value
Subjective sleep quality	Victim	1.98	1.78–2.21	<0.001
	Bully	1.88	1.54–2.29	<0.001
	Victim-Bully	2.15	1.86–2.48	<0.001
Sleep latency	Victim	2.05	1.82–2.30	<0.001
	Bully	1.82	1.47–2.26	<0.001
	Victim-Bully	2.54	2.19–2.95	<0.001
Sleep duration	Victim	1.43	1.27–1.60	<0.001
	Bully	1.69	1.37–2.80	<0.001
	Victim-Bully	2.11	1.81–2.44	<0.001
Habitual sleep efficiency	Victim	1.76	1.37–2.25	<0.001
	Bully	2.75	1.90–3.98	<0.001
	Victim-Bully	2.49	1.88–3.30	<0.001
Sleep disturbances	Victim	3.47	3.00–4.01	<0.001
	Bully	3.05	2.33–4.00	<0.001
	Victim-Bully	4.68	3.93–5.58	<0.001
Use of sleep medication	Victim	2.57	1.81–3.65	<0.001
	Bully	2.94	1.63–5.30	<0.001
	Victim-Bully	6.49	4.74–8.90	<0.001
Daytime dysfunction	Victim	1.85	1.62–2.11	<0.001
	Bully	1.71	1.35–2.16	<0.001
	Victim-Bully	2.52	2.09–3.05	<0.001

Notes: Reference covariate: Neutral