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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Am J Gastroenterol. 2021 Aug 1;116(8):1746–1751. doi: 10.14309/ajg.0000000000001342

Table:

Participant characteristics

Crohn’s disease (N=165) Ulcerative/indetermin ate colitis
(N=81)
Total (N=246)
Age at Enrollment
 Mean (SD) 48.1 (16.1) 46.1 (14.4) 47.4 (15.5)
 Median [Min, Max] 45.0 [20.0, 85.0] 43.0 [22.0, 79.0] 44.0 [20.0, 85.0]
Sex
 Male 56 (33.9%) 33 (40.7%) 89 (36.2%)
 Female 96 (58.2%) 43 (53.1%) 139 (56.5%)
 Prefer not to answer 1 (0.6%) 0 (0%) 1 (0.4%)
Self Reported Race
 White 139 (84.2%) 62 (76.5%) 201 (81.7%)
 Black or African American 5 (3.0%) 0 (0%) 5 (2.0%)
 Asian 2 (1.2%) 6 (7.4%) 8 (3.3%)
 Native Hawaiian or other Pacific Islander 0 (0%) 0 (0%) 0 (0%)
 American Indian/ Alaska Native 0 (0%) 1 (1.2%) 1 (0.4%)
 Multiple 3 (1.8%) 1 (1.2%) 4 (1.6%)
 Other 3 (1.8%) 6 (7.4%) 9 (3.7%)
 Prefer not to answer 1 (0.6%) 0 (0%) 1 (0.4%)
Self-Reported Hispanic Ethnicity
 Hispanic/LatinX 6 (3.6%) 1 (1.2%) 7 (2.8%)
 Non-Hispanic/LatinX 147 (89.1%) 75 (92.6%) 222 (90.2%)
 Prefer not to answer 0 (0%) 0 (0%) 0 (0%)
BMI
 Mean (SD) 25.5 (6.39) 25.6 (5.74) 25.6 (6.17)
 Median [Min, Max] 23.7 [15.5, 67.3] 23.6 [18.1, 44.5] 23.7 [15.5, 67.3]
Ever Smoked
 Yes 21 (12.7%) 16 (19.8%) 37 (15.0%)
 No 100 (60.6%) 51 (63.0%) 151 (61.4%)
Currently Smokes
 Yes 0 (0%) 0 (0%) 0 (0%)
 No 21 (12.7%) 16 (19.8%) 37 (15.0%)
Month of Enrollment
 Dec, 2020 3 (1.8%) 1 (1.2%) 4 (1.6%)
 Jan, 2021 19 (11.5%) 8 (9.9%) 27 (11.0%)
 Feb, 2021 52 (31.5%) 33 (40.7%) 85 (34.6%)
 Mar, 2021 91 (55.2%) 39 (48.1%) 130 (52.8%)
Vaccine Type
 BNT162 (Pfizer/BioNtech) 93 (56.4%) 48 (59.3%) 141 (57.3%)
 mRNA-1273 (Moderna/NIH) 72 (43.6%) 33 (40.7%) 105 (42.7%)
Prior COVID Infection
 No 146 (88.5%) 70 (86.4%) 216 (87.8%)
 Yes 4 (2.4%) 5 (6.2%) 9 (3.7%)
Age at IBD Diagnosis
 Mean (SD) 28.3 (15.4) 30.7 (12.9) 29.1 (14.6)
 Median [Min, Max] 25.0 [4.00, 85.0] 28.0 [8.00, 64.0] 26.0 [4.00, 85.0]
Duration (years) of IBD
 Mean (SD) 19.5 (14.6) 15.6 (11.9) 18.2 (13.8)
 Median [Min, Max] 16.0 [0, 61.0] 13.0 [0, 49.0] 15.0 [0, 61.0]
Prior Vaccine Adverse Reaction
 Yes 7 (4.2%) 4 (4.9%) 11 (4.5%)
 No 157 (95.2%) 74 (91.4%) 231 (93.9%)
 Not sure 1 (0.6%) 3 (3.7%) 4 (1.6%)
Sulfasalazine/mesalamine
 Yes 25 (15.2%) 33 (40.7%) 58 (23.6%)
 No 132 (80.0%) 46 (56.8%) 178 (72.4%)
Budesonide
 Yes 4 (2.4%) 2 (2.5%) 6 (2.4%)
 No 153 (92.7%) 77 (95.1%) 230 (93.5%)
Oral/parenteral steroids
 Yes 12 (7.3%) 5 (6.2%) 17 (6.9%)
 No 145 (87.9%) 74 (91.4%) 219 (89.0%)
6MP/azathioprine monotherapy
 Yes 4 (2.4%) 2 (2.5%) 6 (2.4%)
 No 153 (92.7%) 77 (95.1%) 230 (93.5%)
Methotrexate monotherapy
 Yes 0 (0%) 0 (0%) 0 (0%)
 No 157 (95.2%) 79 (97.5%) 236 (95.9%)
Anti-TNF without 6MP/AZA/MTX
 Yes 51 (30.9%) 18 (22.2%) 69 (28.0%)
 No 106 (64.2%) 61 (75.3%) 167 (67.9%)
Anti-TNF + 6MP/AZA/MTX
 Yes 12 (7.3%) 9 (11.1%) 21 (8.5%)
 No 145 (87.9%) 70 (86.4%) 215 (87.4%)
Anti-integrin
 Yes 25 (15.2%) 8 (9.9%) 33 (13.4%)
 No 132 (80.0%) 71 (87.7%) 203 (82.5%)
IL12/23 inhibitor
 Yes 37 (22.4%) 4 (4.9%) 41 (16.7%)
 No 120 (72.7%) 75 (92.6%) 195 (79.3%)
JAK inhibitor
 Yes 1 (0.6%) 3 (3.7%) 4 (1.6%)
 No 156 (94.5%) 76 (93.8%) 232 (94.3%)
5-ASA, oral or rectal
 Yes 25 (15.2%) 33 (40.7%) 58 (23.6%)
 No 132 (80.0%) 46 (56.8%) 178 (72.4%)
Other
 Yes 8 (4.8%) 3 (3.7%) 11 (4.5%)
 No 149 (90.3%) 76 (93.8%) 225 (91.5%)
Any steroids
 No 137 (83.0%) 69 (85.2%) 206 (83.7%)
 Yes 20 (12.1%) 10 (12.3%) 30 (12.2%)
Any Biologic
 No 31 (18.8%) 37 (45.7%) 68 (27.6%)
 Yes 126 (76.4%) 42 (51.9%) 168 (68.3%)
Any immunomodulator
 No 134 (81.2%) 67 (82.7%) 201 (81.7%)
 Yes 23 (13.9%) 12 (14.8%) 35 (14.2%)
No immune-modifying therapies
 No 136 (82.4%) 50 (61.7%) 186 (75.6%)
 Yes 21 (12.7%) 29 (35.8%) 50 (20.3%)