Table 2. Selected adjusted odds ratios from stratified analyses for race/ethnicity and level of cognitive function.

Race/Ethnicity
Patient characteristic	White	Black	Hispanic	Others
	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
Incomequartilea
≤41,989	Reference	Reference	Reference	Reference
≥69,475	0.92 (0.89, 0.96)	1.40 (1.27, 1.55)	1.44 (1.25, 1.66)	1.02 (0.87, 1.19)
Cognitive function
Cognitively intact	Reference	Reference	Reference	Reference
Moderately or severely impaired	1.76 (1.49, 2.08)	1.38 (1.16, 1.65)	1.63 (1.33, 1.99)	1.63 (1.32, 2.02)
Cognitive Function
Patient characteristic	Cognitively intact		Moderately/Severely impaired
	OR (95% CI)		OR (95% CI)
Mood
No depression	Reference		Reference
Moderate or severe depression	1.49 (1.33, 1.66)		1.04 (0.93, 1.16)
ADL (score range 0-24)
0-6	Reference		Reference
19-24	4.43 (3.58, 5.48)		1.20 (0.94, 1.55)
Hallucinations/Delusions
No	Reference		Reference
Yes	1.45 (1.27, 1.66)		1.20 (1.11, 1.30)
Aggressive Behavior Scale
None	Reference		Reference
Severe	2.12 (1.81, 2.48)		1.46 (1.36, 1.57)
Marital status
Married	Reference		Reference
Unmarried	1.43 (1.37, 1.48)		1.18 (1.13, 1.23)

Abbreviations: OR, odds ratio; CI, confidence interval; ADL, activities of daily living

Note: Odds ratios are from logistic regression models adjusted for all patient characteristics listed in Table 1, Diagnosis-Related Group Major Diagnostic Categories (Supplementary Table S1), and state of residence.

^aHousehold income level in the beneficiary's zip code of residence, obtained from the 2013 American Community Survey (ACS) estimates of the U.S. Census Bureau.