Relative odds for the association between left handedness and inflammatory bowel diseases (IBD) in two national birth cohorts combined
| No left handed with disease (%) | No left handed without disease (%) | Unadjusted relative odds (95% CI) | Adjusted relative odds2-150
(95% CI) | |
| CD | 8/38 (21.1%) | 1919/17158 (11.2%) | 2.12 (0.97–4.63) p=0.067 | 2.12 (0.97–4.64) p=0.059 |
| UC | 7/33 (21.2%) | 1920/17163 (11.2%) | 2.14 (0.93–4.93) p=0.089 | 2.12 (0.92–4.90) p=0.078 |
| IBD combined | 15/71 (21%) | 1912/17125 (11%) | 2.13 (1. 20–3.78) p=0.008 | 2.13 (1.19–3.77) p=0.010 |
CD, Crohn's disease; UC, ulcerative colitis.
↵2-150 Adjusted for sex and cohort.