Identification of Risk Factors for Suicide and Insights for Developing Suicide Prevention Technologies: A Systematic Review and Meta-Analysis

Table 1

Risk factors’ analysis coding scheme and research question answered by each parameter.

Identifier	Description	RQ addressed
Basic information	Title, year, author(s), and keywords	N/A
Demographics of participants	Age range of participants (years) and sex	RQ2 and RQ4
Study country	Country where the study was conducted	RQ4
Period of study	Duration of study (years)	RQ2, RQ3, and RQ4
Target population	Children, adolescents, young adults, adults, inpatient adults, general population, and elderly	RQ2, RQ3, and RQ4
Suicidality type	Classification of suicidal behaviors as target outcome of studies (suicidal ideation, suicidal plan, suicide risk, suicide attempt, and suicide death)	RQ2, RQ3, and RQ4
Study design	Cohort (retrospective, prospective), cross-sectional, and case-control	RQ2, RQ3, and RQ4
Total study sample	Number of participants involved in the study	RQ2, RQ3, and RQ4
Suicide cases	Number of participants in the study population diagnosed with either suicidal ideation, suicide attempt, or suicide death	RQ2 and RQ3
Assessment tools	Evaluation tools or scales used in each study for measuring the risk factors	RQ2, RQ3, and RQ4
Findings	Risk factors analyzed in the study and strength of association with the study outcome	RQ1, RQ2, RQ3, and RQ4