Table 5

Multivariate regression models for oral contraceptive, cardiovascular, and central nervous system drugs compared with antibacterials

GroupAll subjectsSubjects with no symptoms or GI drugs
No exposedOR95% CINo exposedOR95% CI
Cases (n = 587)Controls (n = 1460)Cases (n = 252)Controls (n = 1022)
OR, odds ratio; 95% CI, 95% confidence interval; GI, gastrointestinal.
Antibacterials4188431.321.05–1.651635001.531.12–2.07
Drugs for cardiovascular disease1272601.260.95–1.66411391.490.97–2.29
Drugs for nervous system disease2755201.341.08–1.66702740.930.67–1.29
Oral contraceptive pills941981.481.00–2.17371211.420.81–2.47