displays the odds ratios and 95% confidence intervals for associations by childhood acute lymphoblastic leukemia (ALL) immunophenotype and cytogenomic subtype for maternal and paternal exposures during the preconception period (a). Next, maternal and paternal exposures during pregnancy in association with childhood ALL by subtype are presented (b). Then, maternal, paternal, and birth characteristics of the child in association with childhood ALL by subtype are presented (c). Finally, childhood exposures in association with childhood ALL by subtype are displayed (d). Reference numbers are presented in brackets.