Table 1.

Characteristics of patients in the study cohort

	All patients N=2043	Had none of outcomes N=1454	Had at least one outcome N=589
Demographics, %
Age – Years, mean (SD)	82.0 (7.4)	81.6 (7.4)	83.0 (7.2)
Male	36.0	33.6	42.1
White race	89.9	90.7	87.8
Married	33.2	32.8	34.4
Household income <$25,000	64.6	63.6	67.1
Comorbidities, %
Barthel index, mean (SD)	37.1 (22.9)	41.9 (22.2)	25.3 (20.0)
Charlson comorbidity score, mean (SD)	0.7 (1.3)	0.6 (1.1)	1.0 (1.6)
Body mass index, mean (SD)	26.1 (6.5)	26.5 (6.4)	25.0 (6.7)
Dementia	18.9	16.2	25.6
Heart failure	22.5	18.9	31.2
Hospital length of stay – days, mean (SD)	10.3 (11.0)	9.1 (9.0)	13.3 (14.5)
Active conditions at SNF admission, %
Cognitive impairment
None/borderline	66.4	70.5	56.0
Moderate	15.0	14.8	15.7
Severe	18.6	14.7	28.3
Delirium	9.4	7.2	15.0
Dyspnea	7.9	5.9	12.9
Edema	37.6	36.7	39.7
Pressure ulcer	18.0	14.4	26.7
Frequent pain	33.7	35.7	28.6
Treatments at SNF admission, %
Antianxiety or hypnotic medication	26.9	26.5	29.1
Antipsychotic medication	8.8	7.0	13.1
Indwelling catheter	2175	17.8	31.4
Feeding tube	3.4	1.2	8.9
Intravenous medications	59.2	57.6	63.2
Oxygen	33.0	29.5	41.7
SNF characteristics, %
Ownership
For-profit	63.2	61.4	67.6
Government	3.2	3.1	3.4
Not for-profit	33.1	34.9	28.7
Size (beds)
1–77	25.4	27.2	20.9
78–121	34.0	32.7	37.4
122–154	16.0	16.0	16.0
154–889	24.7	24.2	25.8

Results for other variables included in the predictive modeling are listed in Supplemental Table S2.