Figure. Incidence rate ratios (IRRs) and 95% CIs for offspring suicide attempt and offspring violent offending, according to whether the mother only, the father only or both parents were affected by any psychiatric disorder, stratified by offspring sex.

The reference group was individuals with neither parent having a psychiatric diagnosis or history of suicide attempt. Models adjusted for offspring sex and age, calendar year, and the interactions between these variables. Symbols indicate IRR, and error bars, 95% CI.