Table 1.

Participant demographics

Demographics	Completed 6 mo Assessment (N = 129)	Missed Assessment or Lost to Follow-up (N = 54)	Standardized Difference*
At enrollment†
Age, yr, median (IQR)	53 (43–64)	55 (37–66)	0.007
Female, n (%)	70 (54%)	26 (48%)	0.04
Race, n (%)	—	—	0.32
Black	36 (28%)	10 (19%)	—
Non-Hispanic White	79 (61%)	39 (72%)	—
Other/multiple	14 (11%)	5 (9%)	—
Resided at home before admission, n (%)	127 (98%)	53 (98%)	0.35
Tested positive for COVID-19 during admission, n (%)	26 (20%)	6 (11%)	0.33
Multidimensional Scale Perceived Social Support at hospital discharge, median (IQR)	73 (64–83)	69 (52–75)	0.47
Significant other subscale	26 (22–28)	24 (9–28)	0.35
Family subscale	26 (24–28)	27 (22–28)	0.16
Friends subscale	24 (22–28)	23 (16–28)	0.43
6-month outcomes
Multidimensional scale perceived social support, median (IQR)	72 (60–78)	—	—
Significant other subscale	24 (18–28)	—	—
Family subscale	24 (23–27)	—	—
Friends subscale	24 (21–26)	—	—

Definition of abbreviations: COVID-19 = coronavirus disease; IQR = interquartile range; MSPSS = Multidimensional Scale of Perceived Social Support.

^*The difference in means or proportions divided by standard error. It is indifferent to sample size. Absolute value ranges from 0.0–1.0.

^† Inverse probability of censoring weights were estimated via a logistic regression model for loss to follow-up that included all demographic data available at enrollment: age, sex, race, residing at home before critical illness, COVID-19 status, and baseline MSPSS score.