Placement in Child Maltreatment Investigations in Ontario in 1998 and 2003, and in Child Maltreatment Investigations and Risk of Future Maltreatment Investigations in Ontario in 2008 and 2013. [...] Since the maltreatment in Ontario in 2013 including inception of these models, the number of severity and duration of injury and the identity families referred to Ontario child welfare of the alleged perpetrators. [...] Estimates presented in Chapter 3 of this A source of potential confusion in interpreting report included investigations and risk-only child maltreatment statistics lies in investigations and the estimates in Chapter 4 inconsistencies in the categories of and 5 of this report focus on cases of maltreatment included in different statistics.