Baseline characteristics, stratified by baseline anti-SARS-CoV-2 antibody status
| Variable | Positive | Negative | P value |
| Age (years) | 36.3 (26.9–50.6) | 39.2 (28.7–53.3) | 0.017 |
| Duration of IBD (years) | 7.0 (3.0–15.0) | 8.0 (3.0–15.0) | 0.25 |
| Age at IBD diagnosis (years) | 26.4 (19.8–36.4) | 27.6 (19.8–40.0) | 0.12 |
| BMI | 24.7 (21.7–28.1) | 24.5 (21.7–28.3) | 0.75 |
| PHQ8 | 4.0 (1.0–8.0) | 4.0 (1.0–9.0) | 0.40 |
| GAD-7 | 2.0 (0.0–6.0) | 3.0 (0.0–7.0) | 0.050 |
| Income deprivation score | 0.120 (0.666–0.204) | 0.097 (0.056–0.163) | <0.0001 |
| IBD Control 8 | 13.0 (10.0–16.0) | 13.0 (9.0–16.0) | 0.32 |
| IBD Control VAS | 79.0 (67.0–92.0) | 80.0 (65.0–92.0) | 0.61 |
Values shown are medians (IQR).
BMI, body mass index; GAD-7, General Anxiety Disorder Assessment; PHQ8, Patient Health Questionnaire depression scale; VAS, visual analogue scale.