Table 1. Distribution of Covariates Among 263 697 Fully Vaccinated VA Patients.

Covariate	VA patients, No. (%)			P value
	Full sample (N = 263 697)	No psychiatric disorders (n = 128 216 [48.6%])	Any psychiatric disorder (n = 135 481 [51.4%])
Age, mean (SD), y	66.2 (13.8)	70.1 (12.3)	62.5 (14.1)	<.001
Sex
Female	24 158 (9.2)	7002 (5.5)	17 156 (12.7)	<.001
Male	239 539 (90.8)	121 214 (94.5)	118 325 (87.3)
Race
Black or African American	54 168 (20.5)	22 940 (17.9)	31 228 (23.0)	<.001
White	184 901 (70.1)	93 403 (72.8)	91 498 (67.5)
Other or unknowna	24 628 (9.3)	11 873 (9.3)	12 755 (9.4)
Ethnicity
Not Hispanic or Latinx	229 809 (87.1)	112 864 (88.0)	116 945 (86.3)	<.001
Hispanic or Latinx	21 770 (8.3)	8500 (6.6)	13 270 (9.8)
Unknown	12 118 (4.6)	6852 (5.3)	5266 (3.9)
Obesity (BMI ≥35)	48 668 (18.5)	21 476 (16.7)	27 192 (20.1)	<.001
Medical comorbidities
Diabetes	96 004 (36.4)	49 161 (38.3)	46 843 (34.6)	<.001
Cardiovascular disease	94 247 (35.7)	48 906 (38.1)	45 341 (33.5)	<.001
Obstructive sleep apnea	81 684 (31.0)	31.050 (24.2)	50 634 (37.4)	<.001
Cancer	60 685 (23.0)	32 147 (25.1)	28 538 (21.1)	<.001
COPD	45 819 (17.4)	21 500 (16.8)	24 319 (18.0)	<.001
Chronic kidney disease	38 822 (14.7)	21 132 (16.5)	17 690 (13.1)	<.001
Liver disease	17 463 (6.6)	6970 (5.4)	10 493 (7.7)	<.001
HIV	2294 (0.9)	888 (0.7)	1406 (1.0)	<.001
Smoking
Current or former smoker	169 143 (64.1)	82 167 (64.1)	86 976 (64.2)	<.001
Never smoker	94 554 (35.9)	46 049 (35.9)	48 505 (35.8)

Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); COPD, chronic obstructive pulmonary disease; VA, US Department of Veterans Affairs.

^a Other race includes American Indian or Alaska Native, Asian, and Native Hawaiian or Other Pacific Islander.