Table 2.

Cox proportional hazard model results examining the relationship between routine sleep medication use and incident dementia across 8 years of data.

	Model 1 Unadjusted				Model 2 Partially adjusted				Model 3 Fully adjusted
	OR	Lower	Upper	P-value	OR	Lower	Upper	P-value	OR	Lower	Upper	P-value
Incident Dementia
(0 = negative screening for dementia; 1 = positive screening for dementia)
Sleep Medication
Never/rarely	Reference				Reference				Reference
Most nights/every night	1.42	1.27	1.60	<.001	1.33	1.12	1.60	<.001	1.30	1.10	1.52	.002

Model 1: No covariates.

Model 2: Demographic covariates and chronic conditions.

Model 3: Demographic, chronic health conditions and self-reported sleep difficulties (falling asleep and waking up at night).