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Self-reported irritable bowel syndrome and Parkinson’s disease (PD) risk in SALT Swedish twins.
| PD case | Person-years | Model 1a HR (95% CI) | Model 2b HR (95% CI) | |
|---|---|---|---|---|
| Non-IBS | 441 | 618,513.0 | 1 | 1 |
| IBS | 33 | 47,195.2 | 1.17 (0.82–1.67) | 1.25 (0.87–1.81) |
aAdjusted for sex and attained age.
bAdditionally adjusted for highest achieved education, smoking history, alcohol consumption in the last month, and comorbidity index.
