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Psychometric Properties of the Impact of Event Scale–6 in Sexual Violence Services

Year: 2026

Type: article

Abstract: Purpose: To evaluate selected psychometric properties of the Impact of Event Scale–6 (IES-6) for routine intake screening and potential practice-based monitoring in community-based sexual violence services and to examine gender comparability. Methods: Secondary analyses used de-identified intake data from a Southwestern Ontario trauma-service network collected over 12 years. Adult survivors ( N = 893; 451 men, 442 women) completed IES-R items from which the IES-6 was derived, and the Depression Anxiety Stress Scales–21. Analyses included confirmatory factor analysis (CFA), ordinal CFA sensitivity analysis, internal consistency, convergent validity, known-groups validity, and gender invariance. Results: A one-factor model with two theoretically interpretable residual covariances showed acceptable fit, good internal consistency, and convergent validity. Ordinal CFA produced broadly similar conclusions. Metric invariance held, but scalar invariance did not. Discussion: Findings provide preliminary support for the IES-6 as a brief intake screening measure; gender mean differences should be interpreted descriptively.

Source: Research on Social Work Practice

DOI: 10.1177/10497315261455826

Authors: Sung Hyun Yun, Caroline Erentzen

Institutions: University of Windsor, Toronto Metropolitan University

Language: English

Topic: Sexual Assault and Victimization Studies

Subfield: Gender Studies

Field: Social Sciences

Domain: Social Sciences

SDGs: Good health and well-being, Gender equality, Peace, justice, and strong institutions

Open Access status: hybrid

Estimated APC paid: $3,650