Table 3.

Kendall’s Tau Correlations Between Age, Sleep Disturbance, and Cholesterol Biochemical Markers

	Age	Sterol Ratio†	7-DHC	8-DHC	Chol	U-MVA‡	24S+
Total Sleep Disturbance	−.42*	.41*	.37*	.38*	−.35*	−.17	−.05
Bedtime Resistance	−.46**	.08	.11	.07	−.06	−.31	.12
Sleep Onset Delay	−.15	.41*	.31	.26	−.54**	−.11	−.39
Sleep Duration	−.01	.42*	.32	.36*	−.31	.10	−.26
Sleep Anxiety	.11	−.35	−.42*	−.45*	.06	.37	−.08
Night Wakings	−.03	.14	.21	.17	−.03	−.06	.27
Parasomnias	−.42*	.20	.18	.21	−.25	−.16	.20
Sleep Dis. Breathing	−.02	−.11	−.10	−.09	−.04	.06	.26
Daytime Sleepiness	−.16	.10	.15	.15	.01	−.14	−.11

Note.

^†= (7-DHC+8-DCH)/Cholesterol;

^‡= Mevalonic Acid via Urine (μmol/day); Chol = cholesterol; ;

⁺= 24(S)-hydroxycholesterol; Two-tailed.

^*p < 0.05;

^**p < 0.01