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Understanding Intimate Partner Violence Through Police Crime Data: Descriptive and Temporal Insights.

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Police crime reports reveal over 74,000 intimate partner violence (IPV) incidents in Los Angeles from 2020-2023. Analysis shows most physical IPV occurred in homes without weapons, with stable temporal trends.

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Area of Science:

  • Criminology
  • Public Health
  • Sociology

Background:

  • Police crime reports are an underutilized data source for intimate partner violence (IPV) research.
  • These reports offer systematic, population-level insights into IPV incident characteristics and temporal patterns.
  • Existing research often relies on surveys or clinical data, potentially missing broader trends.

Purpose of the Study:

  • To conduct a descriptive analysis of IPV crime reports in Los Angeles from January 2020 to December 2023.
  • To model temporal trends in IPV incidents using Seasonal Autoregressive Integrated Moving Average (SARIMA).
  • To provide actionable insights for IPV prevention and response strategies.

Main Methods:

  • Descriptive analysis of 74,776 IPV-related incidents reported to the Los Angeles Police Department (LAPD).
  • Application of SARIMA models to analyze temporal dynamics and identify seasonal or pandemic-related shifts.
  • Categorization of incidents by location, victim gender, IPV subtype, and weapon involvement.

Main Results:

  • An average of 51.22 IPV incidents were reported daily.
  • Most incidents occurred in residential settings (71.9%), primarily involved females (77.35%), and were classified as Physical IPV (77.0%).
  • Physical IPV incidents rarely involved weapons (83.82%), and temporal analysis showed stable seasonal patterns without a pandemic-specific surge.

Conclusions:

  • Police crime reports provide valuable data for understanding IPV dynamics.
  • Findings highlight the prevalence of physical IPV in domestic settings and the low use of weapons.
  • The study identified stable temporal trends, suggesting consistent IPV patterns rather than pandemic-induced changes.