Cumulative Childhood Maltreatment and Non‐Suicidal Self‐Injury: the Mediating and Moderating Role of Perceived Social Support in a Sample of University Students

Non-suicidal self-injury (NSSI) in young adults is recognized as a major public health concern. Some studies have identi- fied cumulative childhood maltreatment (CCM) as a significant vulnerability factor for NSSI, although the nature of this association remains unclear. Specifically, some theorists have investigated the role of perceived social support (PSS), con- sidered an important factor closely associated with both CCM and NSSI. The aim of the current study was to simultaneously investigate the potential mediating and moderating role of PSS from family and friends in the association between CCM and NSSI in a university student sample. Participants were 474 students (73.4% female; Mage…