Interaction of sleep quality and psychosocial stress on obesity in African Americans: the Cardiovascular Health Epidemiology Study (CHES)

Table 2 Correlation coefficients between the main variables

	Global Sleep Quality	Sleep Duration (contin.)	Sleep Latency	Sleeping Medication	General Perceived Stress	Body Mass Index
Global Sleep Quality	******	-0.65* <.0001^§	0.70 <.0001	0.45 <.0001	0.36 <.0001	0.13 <.0001
Sleep Duration (continuous^†)		******	-0.27 <.0001	-0.09 0.0006	-0.16 <.0001	-0.12 <.0001
Sleep Latency			******	0.29 <.0001	0.26 <.0001	0.04 0.17
Use of Sleeping Medication				******	0.18 <.0001	0.08 0.004
General Perceived Stress					******	0.08 0.002

ISSN: 1471-2458