Table 2.

Sleep Duration and Metabolic Risk Factor Values

	Group
Variable	PTSD group		Control group		Test Statistic (with body fat percentage as covariate in metabolic analyses)	Test Statistic (with body fat percentage and sleep diary TST as covariates)	Test Statistic (with body fat percentage and actigraphy TST as covariate)
	M	SD	M	SD
Diary-measured TST	6.59	1.27	7.43	0.80	F(1,83) = 12.25, p = .001
Actigraphy-measured TST	6.94	1.41	7.32	0.98	F(1,83) = 1.32
Triglycerides (mg/dL)	137.51	73.85	90.24	40.34	F(1, 80) = 9.53, p = .003	F(1,79) = 4.43, p = .038	F(1,71) = 5.40, p = .023
Cholesterol (mg/dL)	170.26	33.75	138.89	31.93	F(1,80) = 14.32, p < .001	F(1,79) = 10.42, p = .002	F(1,71) = 12.91, p = .001
VLDL cholesterol (mg/dL)	26.17	11.73	17.96	8.07	F(1,80) = 10.01, p = .002	F(1,79) = 4.70, p = .033	F(1,71) = 5.73, p = .091
LDL cholesterol (mg/dL)	95.19	29.86	74.98	26.48	F(1,80) = 7.93, p = .006	F(1,79) = 6.24, p = .015	F(1,71) = 6.58, p = .012
HDL cholesterol (mg/dL)	47.30	12.63	45.96	11.74	F(1,80) = 0.89	F(1,79) = 1.11	F(1,71) = 2.28
Cholesterol: HDL ratio	8.1	3.85	3.15	0.88	F(1,80) = 5.26, p = .024	F(1,79) = 3.48	F(1,71) = 2.60
Truncal fat percentage	53.00	7.10	52.00	6.16	F(1,80) = 0.76	F(1,79) = .04	F(1,71) = .16