All participants, regardless of prior history of depression or psychopathology, were queried about suicidal behaviors (Statham et al., 1998). The question “Have you ever thought about taking your own life?” was used to define SI. Subsequently, participants were asked whether these thoughts lasted for more than a day. Participants were then divided into one of three groups: 1) no SI (N=7,074); 2) SI for less than a day (N=1,602); and 3) SI for more than a day (N=907). Those who reported SI were queried about whether they had ever made a plan. Regardless of ideation or planning, all participants were asked about whether they had ever tried to take their own life (i.e. suicidal attempt). Those individuals who reported a suicidal attempt and a history of suicidal planning, regardless of whether the plan pertained to the attempt, comprised the group of suicide attempt with planning (SAP), while those reporting to have attempted suicide in the absence of a lifetime history of suicide planning comprised the group of suicide attempt without planning (SANP). Participants were divided into one of four groups: