Characteristics of eligible women with live-born singleton children, according to exposure status.

Note: Cystitis medications includes pivmecillinam, sulfamethizole, and nitrofurantoin.
*P-value comparing the ‘any systemic antibiotic’ and ‘cystitis antibiotics’ groups with the unexposed group using Pearson chi-square test for categorical factors.
**Parental income is based on parents’ combined annual income in the birth year of the child.
***Includes ICD:10 codes Q00–Q79.