Skip to main content
. Author manuscript; available in PMC: 2023 Jan 10.
Published in final edited form as: J Am Geriatr Soc. 2022 Oct 6;70(11):3250–3259. doi: 10.1111/jgs.18078

Table 1.

Characteristics of Study Participants

By Race
Characteristic Non-Hispanic White Non-Hispanic Black p-valuea

Sample, No. 2,846 589
Sociodemographic Characteristics
 Mean age in years (SD) 83.1 (6.6) 80.2 (7.3) <0.001
 Age category, No. (%) <0.001
  65 to 74 years 278 (9.8) 131 (22.2)
  75 to 84 years 1,314 (46.2) 278 (47.2)
  85 or older 1,254 (44.0) 180 (30.6)
 Sex, No. (%) 0.2
  Male 1,085 (38.1) 208 (35.3)
  Female 1,761 (61.9) 381 (64.7)
 Received an ADRD diagnosis, No. (%) 893 (31.4) 140 (23.8) <0.001
 Income category, No. (%) <0.001
  Poor/near poor (quartile 1) 566 (19.9) 269 (46.0)
  Low (quartile 2) 698 (24.5) 164 (27.8)
  Middle (quartile 3) 766 (26.9) 92 (15.6)
  High (quartile 4) 816 (28.7) 64 (10.9)
 Level of Education, No. (%) <0.001
  High School or less 989 (34.8) 393 (66.7)
  Some college or Associate’s degree 1,046 (36.8) 124 (21.1)
  Bachelor’s degree 485 (17.0) 36 (6.1)
  Graduate or advanced degree 326 (11.5) 36 (6.1)
 Marital status, No. (%) <0.001
  Never Married 67 (2.4) 21 (3.6)
  Widowed/Divorced/Separated 1,579 (55.5) 388 (65.9)
  Married 1,200 (42.2) 180 (30.6)
Health Status
 No. with hypertension diagnosis (%) 1,790 (62.9) 452 (76.7) <0.001
 No. with mental health diagnosis (%) 590 (20.7) 109 (18.5) 0.2
 No. with diabetes diagnosis (%) 558 (19.6) 186 (31.6) <0.001
 No. with respiratory illness diagnosis (%) 424 (14.9) 47 (8.0) <0.001
 No. with cardiovascular diagnosisb (%) 1,220 (42.9) 208 (35.3) <0.01
 No. with stroke diagnosis (%) 604 (21.2) 114 (19.4) 0.3
 No. with cancer diagnosis (%) 572 (20.1) 82 (13.9) <0.01
 Functional Status
  Mean No. of ADLs (SD) 1.2 (1.6) 1.3 (1.7) 0.2
  Mean No. of IADLs (SD) 1.4 (1.7) 1.5 (1.7) 0.5
Heath Service Use
 Mean No. of ambulatory EM visits in year before onset (SD) 9.3 (9.4) 7.2 (8.7) <0.001
 Mean No. of hospitalizations in 1 year before onset (SD) 0.3 (0.8) 0.4 (0.8) 0.7
 Caregiving hours, No. (%) 0.06
  None 1,577 (55.4) 314 (55.3)
  Moderate (1–13 hours per week) 613 (21.5) 113 (19.2)
  High (14 or more hours per week) 656 (23.1) 162 (27.5)

Abbreviations: SD, standard deviation; ADL, activities of daily living; IADL, instrumental activities of daily living; EM, evaluation and management

a:

t-test used to compare means, Chi-squared test used to compare proportions

b:

Includes heart failure and myocardial infarction