Table 4.

Studies Reporting Stress Levels

First Author, Year	Questionnaire/Scale	Results
Bentley, 201658	BASC-2	CHR reported a significant relation between parent–child relationships and social stress; significant negative association between positive parent–child relationships and lower social stress in CHR.
Cullen, 202059	DSI	CHR reported significantly more severe daily stress relative to healthy controls and remitted CHR; symptomatic, progressed and converted groups also reported significantly more daily stressor exposures relative to remitted CHR.
Appiah-Kusi, 202057	PSS	CHR reported significantly more severe stress than healthy controls.
DeVylder, 201334	PSS	CHR reported perceived stress at baseline which was associated with impaired stress tolerance assessed with SOPS.
Nordholm, 201654	PSS	CHR experienced significantly more severe perceived stress than healthy controls.
Phillips, 201255	PSS	CHR reported significantly more severe stress than healthy controls.
Ortega, 201822	PSS HRSRS	CHR reported significantly more severe perceived stress and more severe stressful life events, relative to healthy controls.
Studerus, 202156	PSS-10	CHR reported significantly more severe overall stress than healthy controls.
Kommescher, 201760	SCQ	CHR, first episode or multiple episode psychosis individuals had no significant differences in any of the subscales except for devaluation.
Pruessner, 201162	TICS	CHR reported significantly more severe perceived stress in the past month and past year, relative to healthy controls.
Mamah, 202061	WERC	For CHR, stress and high harm avoidance, low self-directedness, low cooperativeness, and high self-transcendence were significantly related.

Note: Abbreviation is explained in the first footnote to table 1. SOPS, Scale of Psychosis-Risk Symptoms; BASC-2, Behavior Assessment System for Children Second Edition; DSI, Daily Stress Inventory; PSS, Perceived Stress Scale; HRSRS, Holmes-Rahe Social Readjustment Scale; PSS-10, Perceived Stress Scale - 10-item version; SCQ, Stress Coping Questionnaire; TICS, Trier Inventory for Chronic Stress; WERC, Washington Early Recognition Center Stress Screen.