Table 3.

Results of linear regression for nightmare distress and dream recall (multivariate)

	Nightmare distress			Dream recall
	Standardized coefficients	t	p value	Standardized coefficients	t	p value
	b			b
Morningness–eveningness questionnaire	− 0.296	− 3.214	0.002	− 0.334	− 3.281	0.002
Age, years, mean (SD)				− 0.101	− 0.975	0.333
Female sex, n (%)
Apnea–hypopnea index, per hour	− 0.209	− 2.222	0.029	− 0.189	− 2.053	0.044
Pittsburgh sleep quality index	− 0.036	− 0.288	0.774
Insomnia severity index	0.036	0.285	0.776
Beck depression inventory	0.450	3.165	0.002	0.246	1.759	0.083
State trait anxiety inventory-state scale	− 0.011	− 0.077	0.939	0.143	1.037	0.303