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98. Post-discharge affect contributes to non-suicidal and suicidal behaviours in depressed adolescents
Depressed adolescents are at heightened risk of engaging in non-suicidal self-injury (NSSI) and suicidal behaviors following discharge from inpatient psychiatric services; however, little is known about the affective processes that precede engagement in these behaviors. Towards addressing this key gap, depressed (n = 24) adolescents completed an ecological momentary assessment (EMA) following their discharge while healthy adolescents (n = 30) completed the EMA after a baseline assessment. During the EMA, participants rated their in-the-moment affect (i.e. happy, excited, interested, sad, angry, bored) on a 5-point scale, 2 to 3 times per day for 5 days using a Smartphone application. One month later, their NSSI and suicidal behaviors were assessed. Preliminary results indicated that relative to the healthy controls, depressed adolescents experienced higher mean levels of sadness, F(1, 59) = 5.18, p = 0.026, η2 = .081. Mean sadness ratings also were associated with more frequent NSSI thoughts, b = -.50, t(59) = -3.04, p = .004, but not suicidal thoughts. Further planned analyses will explore affect variability over the EMA period and its relation to subsequent non-suicidal and suicidal behaviour. In our discussion, we make recommendations for discharge care plans to address the emotions that accompany the transition into the community.