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. Author manuscript; available in PMC: 2022 Oct 24.
Published in final edited form as: Alzheimers Dement. 2022 Jan 3;18(10):1880–1888. doi: 10.1002/alz.12513

TABLE 1.

Characteristics of residents who move to assisted-living facilities with and without memory-care designation

General assisted living
Memory care
Standardized differences(a)
N 12523 8123 Raw Weighted
Age, mean (SD) 82.1 (10.1) 84.1 (8.1) 0.19 0.05
Age category <65 780 (6.2%) 198 (2.4%) −0.12 −0.02
65 to 74 1584 (12.6%) 716 (8.8%) 0.04 0.01
75 to 84 3990 (31.9%) 2742 (33.8%) 0.1 0.01
85 to 94 5533 (44.2%) 4022 (49.5%) 0.02 0.03
95+ 636 (5.1%) 445 (5.5%)
Female 8144 (65.0%) 5450 (67.1%) 0.04 0.03
Race Non-Hispanic White 11481 (91.7%) 7776 (95.7%)
Black 569 (4.5%) 172 (2.1%) −0.13 −0.02
Other race 206 (1.6%) 80 (1.0%) −0.05 −0.01
Hispanic 267 (2.1%) 95 (1.2%) −0.07 0
Dual eligible 3255 (26.0%) 1000 (12.3%) −0.35 −0.04
Retiree drug subsidy 956 (7.6%) 707 (8.7%) 0.04 −0.01
Years since ADRD diagnosis, mean (SD)(b) 3.5 (3.7) 3.4 (3.6) −0.02 −0.02
Cancer 2631 (21.0%) 1829 (22.5%) 0.04 0
Atrial fibrillation 3557 (28.4%) 2376 (29.3%) 0.02 −0.01
Congestive heart failure 5908 (47.2%) 3626 (44.6%) −0.05 0.01
Chronic kidney disease 5726 (45.7%) 3655 (45.0%) −0.01 0.01
COPD 5073 (40.5%) 2991 (36.8%) −0.08 −0.01
Diabetes 5430 (43.4%) 3126 (38.5%) −0.09 0.02
Ischemic heart disease 8370 (66.8%) 5322 (65.5%) −0.02 0
Osteoporosis 4992 (39.9%) 3376 (41.6%) 0.04 0.01
Stroke 4262 (34.0%) 2790 (34.3%) 0.01 0.01
Number chronic conditions, mean (SD) 3.7 (2.0) 3.6 (2.0) −0.04 0.01
Anxiety 5674 (45.3%) 3441 (42.4%) −0.03 0.01
Bipolar disorder 1653 (13.2%) 656 (8.1%) −0.02 0.01
Obesity 2519 (20.1%) 1439 (17.7%) −0.06 −0.02
Schizophrenia 967 (7.7%) 212 (2.6%) −0.16 −0.04
Prior outpatient ED/OBS 6774 (54.1%) 4331 (53.3%) −0.06 0
Prior inpatient hospitalization 6025 (48.1%) 3760 (46.3%) −0.22 −0.04
Prior ICU 1581 (12.6%) 999 (12.3%) −0.02 0
Prior SNF and/or nursing home use 4146 (33.1%) 2427 (29.9%) −0.04 −0.01
Prior home health use 4731 (37.8%) 3354 (41.3%) −0.01 0
Characteristics of county of previous residence, mean (SD)
College education or higher 30.5 (10.9) 31.7 (10.9) −0.06 −0.03
Unemployment rate 4.2 (1.0) 3.9 (0.9) 0.07 0.01
Percent persons in poverty 13.4 (4.9) 13.1 (4.7) −0.08 0.05
Median home value (thousands) 220 (137) 200 (111) −0.15 −0.09
Rurality index (1–9) 2.4 (1.9) 2.2 (1.8) −0.13 0.1
Number of home health agencies(c) 0.3 (0.4) 0.4 (0.5) 0.24 0.02
Certified nursing beds(c) 0.7 (4.1) 0.7 (4.0) −0.01 −0.01
Distance to nearest general AL 5.3 (8.6) 5.6 (7.9) 0.01 0.06
Distance to nearest memory care AL 11.2 (15.9) 6.8 (11.4) −0.32 0.23

AL, assisted living; SD, standard deviation; ADRD, Alzheimer’s disease or related dementias; ED, emergency department; OBS, hospital observational stay; ICU, intensive care unit; NH, nursing home; SNF, skilled nursing facility.

Sample composed of traditional Medicare beneficiaries with a diagnosis of ADRD who moved to a large (≥25 bed) assisted-living community. Total number of communities included 3183 general assisted living and 1677 memory care.

(a)

Standardized difference is difference in means divided by pooled standard deviation, or for percentages, Cohen’s h=2arcsinp12arcsinp2.s.

(b)

Any diagnosis of ADRD since Medicare enrollment or since 1999.

(c)

Per 1000 persons age 65 and over.

(d)

From home health agency or organization.