Suicidal ideation Assessment: Fluctuation monitoring with Ecological momentary assessment

Recruiting

Conditions: suicide
10042460

Registration Number: NL-OMON52614

Lead Sponsor: niversiteit Leiden

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Recruiting

Sex: Not specified

Target Recruitment: 80

Inclusion Criteria

1. A history of a suicide attempt or severe ideation in the past 12 months (>=3
Columbia-Suicide Severity Rating Scale, or >=2 if symptoms present in the past 2
months).
2. Aged 18 years or older.
3. Adequate proficiency of both written and spoken Dutch or English.
4. Possession/use of an Android or iOS compatible mobile phone.
5. Willingness to participate in a 1-year longitudinal study.

Exclusion Criteria

1. Current diagnosis of Bipolar disorder, a Psychotic disorder, or (severe)
Substance dependence (DSM-5 criteria).
2. Intellectual impairment, dementia or a physical impairment that may prevent
the participant from adequately following the study procedures.

Participants in need of immediate support or treatment will be referred before
enrolment in the study.

Study & Design

Study Type: Observational non invasive

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>The primary outcome measure is self-reported suicidal ideation, as measured<br /><br>with EMA.<br /><br><br /><br>The primary predictors include self-reported sleep parameters (sleep<br /><br>quality/quantity), mood (positive/negative), cognitions (hopelessness,<br /><br>burdensomeness, loneliness, optimism), stressful events, social interaction<br /><br>(/isolation), and substance use/coping strategies, as measured with EMA; and<br /><br>objective sleep parameters (incl. total sleep time, sleep onset latency, sleep<br /><br>efficiency, wake after sleep onset), as measured with actigraphy. </p><br>

Secondary Outcome Measures

Name	Time	Method
<p>The following self report measures will be assessed at the beginning and at the<br /><br>end of the cohort study.<br /><br>1. suicidal ideation<br /><br>2. depressive symptoms<br /><br>3. anxiety symptoms<br /><br>4. quality of life<br /><br>5. sleep problems<br /><br>6. cognitive reactivity<br /><br>7. anger expression<br /><br>8. borderline personality traits<br /><br><br /><br>Acceptability of EMA will also be tested: agreement to participate, compliance<br /><br>rates, and attrition (operationalized as the number and percentage of<br /><br>individuals who agree to participate in the study/ valid EMA observations/<br /><br>individuals who complete the study) and study burden questions (self-report).</p><br>