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Exploring Space-Time Interactions in Fatal Opioid Overdoses
Sergio J Rey1, Elijah Knaap1, Alejandra Cabral2
1Center for Open Geographical Science, San Diego State University, San Diego, California, USA.
Fatal opioid overdoses in Riverside County show significant spatial disparities, with rural and low-socioeconomic neighborhoods experiencing higher rates. Targeted public health interventions are crucial for addressing these complex trends.
Area of Science:
- Public Health
- Epidemiology
- Spatial Analysis
Background:
- The opioid crisis remains a critical public health issue, necessitating detailed geographic and demographic analysis.
- Understanding the spatial distribution of fatal opioid overdoses is key to developing effective interventions.
Purpose of the Study:
- To investigate the spatial and temporal patterns of fatal opioid overdoses in Riverside County, California.
- To identify clusters and contextual factors associated with these overdoses.
- To inform targeted public health strategies.
Main Methods:
- Utilized advanced spatial-temporal analysis techniques.
- Employed global and local Knox tests to identify overdose clusters.
- Analyzed data from January 2020 to March 2023.
Main Results:
- Identified significant spatial disparities in fatal opioid overdoses.
- Higher overdose rates were observed in rural areas and neighborhoods with lower socioeconomic status.
- Neighborhoods with larger Hispanic populations showed a higher occurrence of fatal overdoses, despite lower individual risk.
Conclusions:
- Fatal opioid overdoses are not uniformly distributed, with specific geographic and socioeconomic factors playing a significant role.
- Complex interactions between individual risk and environmental factors influence overdose patterns.
- Evidence-based, contextually tailored public health interventions are essential to combat the opioid crisis effectively.
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