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. Author manuscript; available in PMC: 2025 Mar 1.
Published in final edited form as: Ann Intern Med. 2024 Aug 13;177(9):1209–1221. doi: 10.7326/M24-0737

Table 1b.

Demographics overall and by PASC Score among individuals with a prior SARS-CoV-2 infection

Characteristic PASC Score ≥ 12
(n=1880)
PASC Score 0
(n=3351)
Overall
(n=5231)
Age at infection [years]
  Mean (SD) 48 (14) 47 (16) 47 (15)
  Median [IQR] 47 (37, 58) 45 (33, 60) 47 (34, 59)
  Missing 1 2 3
Race/Ethnicity
  Non-Hispanic White 1209 (65%) 1813 (54%) 3022 (58%)
  Non-Hispanic Black 198 (11%) 541 (16%) 739 (14%)
  Non-Hispanic Asian 58 (3%) 219 (7%) 277 (5%)
  Hispanic 296 (16%) 615 (18%) 911 (18%)
  Mixed race/Other 104 (6%) 141 (4%) 245 (5%)
  Missing 15 22 37
Sex assigned at birth
  Female 1456 (78%) 2242 (67%) 3698 (71%)
  Male 419 (22%) 1099 (33%) 1518 (29%)
  Intersex 1 (0%) 2 (0%) 3 (0%)
  Missing 4 8 12
Enrollment group and era
  Pre-Omicron 1203 (64%) 909 (27%) 2112 (40%)
  Omicron Acute 317 (17%) 1398 (42%) 1715 (33%)
  Omicron Post-Acute 360 (19%) 1044 (31%) 1404 (27%)
Referral type
  Self-referral/Community outreach/Long COVID 1180 (63%) 1509 (45%) 2689 (51%)
  Another referral 700 (37%) 1840 (55%) 2540 (49%)
  Missing 0 2 2
Hospitalized during acute phase of first infection
  Not hospitalized during acute phase 1577 (85%) 3011 (94%) 4588 (91%)
  Hospitalized during acute phase 272 (15%) 189 (6%) 461 (9%)
  Missing 31 151 182
Vaccinated at first infection
  Unvaccinated 1058 (56%) 856 (26%) 1914 (37%)
  Partially vaccinated or date of last dose unknown 105 (6%) 220 (7%) 325 (6%)
  Fully vaccinated 711 (38%) 2254 (68%) 2965 (57%)
  Missing 6 21 27
Visit month
  6 months 682 (36%) 2218 (66%) 2900 (55%)
  9+ 1198 (64%) 1133 (34%) 2331 (45%)
Marital status at enrollment
  Divorced, widowed, separated, or never married 732 (40%) 1161 (36%) 1893 (37%)
  Married or living with partner 1111 (60%) 2103 (64%) 3214 (63%)
  Missing 37 87 124
Homelessness at enrollment
  Homeless 49 (3%) 69 (2%) 118 (2%)
  Not homeless 1813 (97%) 3223 (98%) 5036 (98%)
  Missing 18 59 77
Disability at enrollment
  Disabled 130 (7%) 80 (2%) 210 (4%)
  Not disabled 1729 (93%) 3192 (98%) 4921 (96%)
  Missing 21 79 100
Unemployment at enrollment
  Unemployed 61 (3%) 85 (3%) 146 (3%)
  Not unemployed 1798 (97%) 3187 (97%) 4985 (97%)
  Missing 21 79 100
Medicaid at enrollment
  Medicaid 341 (18%) 436 (13%) 777 (15%)
  Not Medicaid 1505 (82%) 2796 (87%) 4301 (85%)
  Missing 34 119 153
Uninsured at enrollment
  Uninsured 61 (3%) 105 (3%) 166 (3%)
  Not uninsured 1785 (97%) 3127 (97%) 4912 (97%)
  Missing 34 119 153
Lost insurance due to pandemic
  Lost insurance 136 (7%) 55 (2%) 191 (4%)
  Did not lose insurance 1706 (93%) 3206 (98%) 4912 (96%)
  Missing 38 90 128
Difficulty covering expenses in the month before enrollment
  Not at all difficult to cover expenses 824 (46%) 2211 (70%) 3035 (61%)
  Somewhat difficult to cover expenses 603 (34%) 745 (24%) 1348 (27%)
  Very difficult to cover expenses 355 (20%) 213 (7%) 568 (11%)
  Missing 98 182 280
Most recent doctor's visit before index
  Within the last 5 years 1826 (99%) 3174 (99%) 5000 (99%)
  Greater than 5 years 16 (1%) 35 (1%) 51 (1%)
  Missing 38 142 180
Skipped care in 12 months before index
  Skipped care 180 (10%) 110 (3%) 290 (6%)
  Did not skip care 1660 (90%) 3149 (97%) 4809 (94%)
  Missing 40 92 132
2019 Household Income
  <$25,000 299 (17%) 494 (16%) 793 (17%)
  $25,000-$49,999 313 (18%) 455 (15%) 768 (16%)
  ≥$50,000 1130 (65%) 2086 (69%) 3216 (67%)
  Missing 138 316 454
Food insecurity in 12 months before index
  Food insecure 348 (19%) 409 (13%) 757 (15%)
  Not food insecure 1501 (81%) 2854 (87%) 4355 (85%)
  Missing 31 88 119