A Systematic Review of Theories of Stress as a Predictor of Intimate Partner Violence.

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Literature on stress and intimate partner violence (IPV) has primarily focused on stress as an outcome of women's experience of IPV. However, stress may also be a predictor of male-perpetrated IPV. To improve our understanding of how theoretical approaches to stress have been applied to IPV research, we conducted a sub-analysis of a broader systematic review to identify published literature that examines theoretical approaches to stress as a predictor of male-perpetrated IPV. We conducted a search of nine electronic databases and assessed title/abstract and full texts according to pre-defined inclusion and exclusion criteria. Two reviewers categorized included studies into different theoretical groupings and sub-groupings. Data were extracted according to a data extraction template developed for the review, establishing consistency in a pilot data extraction phase. The review identified 27 articles that addressed the following theories of stress: general stress theory, life course theory, occupational stress theory, vulnerability theory, and family stress theory. Each of these sub-theories focuses on different forms of stress, for example, life course theory specifically focuses on stressful early life experiences, including adverse childhood events, whereas occupational stress theory focuses on workplace-related stressors that may result in increased male-perpetrated IPV. Analysis of measurement of stress variables indicated that measurement of stress varies widely across studies and primarily relies on self-reports. Consideration of stress as a predictor of IPV provides important insights into preventable and modifiable targets for intervention. Additional research on mechanisms and pathways between stress and IPV is needed.