Table 7:

Actigraphy Sleep Variables

	Dependent Variables
	TST (min)		Sleep Efficiency (%)		SOL (min)		WASO (min)		Awakenings (#)
Covariates	Estimate (β)	p-value	Estimate (β)	p-value	Estimate (β)	p-value	Estimate (β)	p-value	Estimate (β)	p-value
Chronotype	4.806	0.117	−0.958	0.022	2.897	0.007	1.739	0.208	2.215	0.001
Age	0.423	0.557	−0.050	0.611	−0.036	0.888	−0.032	0.920	0.054	0.723
Sex	25.581	0.001	1.527	0.127	−0.393	0.879	9.470	0.005	−2.460	0.111
Race	−32.334	0.012	−2.821	0.107	2.639	0.557	−4.493	0.438	−0.233	0.931
CDR	−16.333	0.085	−6.577	<0.001	13.740	<0.001	3.885	0.364	6.363	0.002
ApoE4 Status	9.144	0.281	0.057	0.960	1.729	0.561	5.244	0.171	−0.637	0.720
Aβ42/40	65.202	0.724	7.930	0.752	−61.213	0.346	−32.179	0.699	4.387	0.910
AHI	−0.634	0.104	−0.185	0.001	0.417	0.003	−0.186	0.289	0.411	<0.001
PLMI	−0.204	0.186	−0.029	0.174	0.076	0.159	−0.053	0.443	−0.013	0.696

TST, Total Sleep Time; SOL, Sleep Onset Latency; WASO, Wake After Sleep Onset; min, minutes; CDR, Clinical Dementia Rating; ApoE4 status = apolipoprotein E ε4 positive ; AHI, Apnea-Hypopnea Index; PLMI, Periodic Limb Movement Index; Aβ, amyloid-beta