Beliefs about sleep: links with ruminations, nightmare, and anxiety

BMC Psychiatry

Table 4 Correlation between clinical variables for poor sleepers

Variables	1	2	3	4	5	6	7
1. BAI	-	0.401**	0.390*	0.430**	-0.307**	0.315**	-0.136*
2. NDQ	0.401**	-	0.339**	0.322**	-0.228**	0.633**	0.071
3. DBAS	0.390**	0.339**	-	0.347**	-0.332**	0.255**	-0.154*
4. Mini-CERTS	0.430**	0.322**	0.347*	-	-0.253**	0.294**	-0.019
5. SCI	-0.307**	-0.228**	-0.332**	-0.253**	-	-0.269**	0.219*
6. Nightmare Frequency	0.315**	0.315**	0.255**	0.294**	-0.269*	-	-0.032
7. Constructive-Ruminations	-0136*	0.071	-0.154*	-0.019	0.219*	-0.032	-

BAI Beck Anxiety Inventory, NDQ Nightmares Distress Questionnaire, DBAS Dysfunctional Beliefs and Attitudes about Sleep Scale, SCI Sleep Condition Indicator. NF Nightmare Frequency
^*p ≤ 0.05
^**p ≤ 0.01

ISSN: 1471-244X