Kleiman2017 - Examination of Real-Time Fluctuations in Suicidal Ideation and Its Risk Factors, Results From Two Ecological Momentary Assessment Studies §

• Type:#article
• Date read: 2023-02-15
• Subject: Suicide ecological momentary assessment
• Bibtex: @kleiman2017
• Bibliography: Kleiman, E. M., Turner, B. J., Fedor, S., Beale, E. E., Huffman, J. C., & Nock, M. K. (2017). Examination of real-time fluctuations in suicidal ideation and its risk factors: Results from two ecological momentary assessment studies. Journal of Abnormal Psychology, 126(6), 726–738. https://doi.org/10.1037/abn0000273

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Example citation §

Suicidal ideation varies dramatically even during short time-spans

Key takeaways §

• Study 1: 54 adults who had attempted suicide in the previous year, 28 days of EMA
• Study 2: 36 psychiatric inpatients admitted for suicide risk, EMA during their stay (average 10.32 days)
• Large variability in suicidal ideation, around 1/4 of ratings differed by more than 1 SD from the previous rating
• Known risk factors also showed large variability, but did not predict short-term change in suicidal ideation. When controlling for suicide ideation at T, the risk factors at T did not predict suicidal ideation at T+1.

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EMA software used: https://ilumivu.com/

EMA items §

• Desire to die by suicide (0-4)
• Intention to die by suicide (0-4)
• Ability to resist the urge to die by suicide (0-4)
• Affect labels rated 0-4. hopelessness, burdensome, lonely

Statistical methods §

• 1-ICC to get the proportion of variance due to within-individual differences
• Root mean square of successive differences (RMSSD) to see variability over time
  • Higher suicidal ideation was correlated with higher RMSSD, likely because individuals with low suicidal ideation had floor effects on their ratings.