Table 4.

Hierarchical regression predicting psychosis-like experiences^a

	Block I (Psychosocial variables)					Block II (Sleep variables)
	Statistic				p	Statistic				p
R2	.290					.404
Change in R2	.259				.000	.114				.000
Adjusted R2	.276					.370
F (df)	21.04 (6, 315)				.000	11.87 (17, 315)				.000
Variable	B	SE B	Beta	t	p	B	SE B	Beta	t	p
Entered in Block I
Previous Traumatic Experience	4.86	1.47	0.16	3.31	.001	2.46	1.43	0.08	1.73	.085
Depressive Symptoms	0.85	0.09	0.47	9.93	.000	0.52	0.10	0.29	5.02	.000
Drug Use	2.53	1.67	0.07	1.52	.130	1.96	1.61	0.06	1.22	.224
Entered in Block II
Nightmares						1.28	0.38	0.18	3.37	.001
Initial Insomnia						0.10	0.24	0.03	0.40	.688
Fatigue						0.48	0.36	0.10	1.32	.190
Fragmented Sleep						1.35	0.38	0.20	3.60	.000
Non-Restorative Sleep						0.16	0.35	0.03	0.44	.658
Night Anxiety						0.28	0.38	0.04	0.74	.459
Light Sleep						0.29	0.35	0.04	0.82	.411
Movement at Night						0.45	0.35	0.06	1.27	.199
Sensations at Night						−0.00	0.50	0.00	−0.01	.994
Excessive Sleep						0.21	0.44	0.03	0.47	.642
Irregular Sleep						−0.46	0.47	−0.06	−0.97	.332

^aPsychosocial variables were entered in the first block, and sleep variables were entered in the second block.