Gender Disparities in LLM-Based Intimate Partner Violence Detection

• URL: http://arxiv.org/abs/2606.20613v1
• Date: Fri, 22 May 2026 20:04:08 GMT
• Title: Gender Disparities in LLM-Based Intimate Partner Violence Detection
• Abstract summary: Intimate Partner Violence (IPV) is a major public health concern.<n>We examine whether large language models (LLMs) perceive relationship abuse differently depending on victim--perpetrator gender configuration.<n>Our findings suggest that LLMs reproduce gendered biases from online training data, with implications for support-related deployment.
• Score: 0.5312774778718764
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Intimate Partner Violence (IPV) is a major public health concern, and large language models (LLMs) are increasingly used for support and information-seeking in sensitive domains. We examine whether LLMs perceive relationship abuse differently depending on victim--perpetrator gender configuration. Using 475 Reddit posts from r/relationship\_advice, we generate counterfactual variants by swapping gendered identifiers to create four dyads: female--female (F/F), female--male (F/M), male--female (M/F), and male--male (M/M), where the first position denotes the victim. Four recent LLMs (GPT-5o, Gemini 3, Llama 4, and Grok 3) evaluate each variant using a structured questionnaire covering IPV, perpetrator intent, cheating, and abuse subtypes. Results show substantial variation across models and dyads. Abuse and intent detection systematically decrease in mixed-gender dyads where the victim is male, with female perpetrator identity emerging as a consistent negative predictor of abuse recognition. Mixed-effects logistic regression confirms that gender roles significantly shape model outputs. Our findings suggest that LLMs reproduce gendered biases from online training data, with implications for support-related deployment. Code and resources are available at https://github.com/TabiaTanzin/Gender-Disparities-in-LLM-Based-Intimate-Partner-Violence-Detection.g it.

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