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Updated: Jun 5, 2025

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Published on: September 19, 2019
Emotional variability and late adolescent suicidal ideation: Buffering role of parent-youth connectedness
Shou-Chun Chiang1,2, Shi-Jane Ting3, Sung Yu-Hsien4
1Department of Human Development and Family Sciences, Texas Tech University, Lubbock, Texas, USA.
Introduction:
Emotional variability has been identified as a risk factor for adolescent psychopathology. This study explored the cross-sectional and prospective associations between emotional variability and suicidal ideation and examined the moderating role of parent-adolescent connectedness.
Methods:
Participants included 108 Taiwanese late adolescents (Mage = 18.53, SDage = 0.39; 64% female) who completed ecological momentary assessment (EMA) over 14 days, and baseline and follow-up assessments over 6 months.
Results:
Results indicated that while negative emotional (NE) and positive emotional (PE) variability were not associated with suicidal ideation at baseline, both predicted increased suicidal ideation 6 months later. Furthermore, parent-adolescent connectedness moderated the relationship between NE variability and suicidal ideation, with high connectedness mitigating the adverse effects of NE variability.
Conclusions:
These findings suggest that emotional variability is a key predictor for the development of suicidal ideation and highlight the protective role of parent-adolescent connectedness. Interventions promoting family connectedness may be effective in reducing suicidal risk among emotionally variable youth.
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