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The Relationship Between Temperature and Temporal Patterns and Incidence of Abusive Head Trauma in a Midwest Region
Nehali Mehta1, Laura Bliss2, Anne Trolard3
1Department of Neurology, 8785University of California San Francisco, San Francisco, CA, USA.
Insights
This study found no significant link between ambient temperature and abusive head trauma (AHT) incidence in infants. Researchers observed no statistical association with specific days, months, or seasons either.
Area of Science:
- Pediatric Medicine
- Environmental Health
- Child Abuse Research
Background:
- Abusive head trauma (AHT) is a primary cause of child mortality and disability.
- Existing research on AHT risk factors primarily focuses on caregiver influences.
- External environmental factors beyond the immediate caregiver-infant relationship remain under-researched.
Purpose of the Study:
- To investigate the potential association between temperature patterns and abusive head trauma (AHT) events.
- To explore secondary outcomes, including correlations between AHT incidence and temporal factors like day of the week, month, or season.
Main Methods:
- Retrospective analysis of 198 pediatric patients diagnosed with AHT.
- Data collection included patient demographics, incident dates, and zip codes.
- Temperature data sourced from the Midwestern Regional Climate Center; statistical analysis using chi-square tests.
Main Results:
- No statistically significant association was found between ambient temperature and AHT incidence.
- A slight, non-significant increase in AHT cases was observed with rising temperatures.
- No significant correlations were identified between AHT incidence and specific days of the week, months, or seasons.
Conclusions:
- The study indicates no significant relationship between AHT incidence and temperature variations.
- No significant temporal patterns (daily, monthly, seasonal) were associated with AHT events in this Midwest cohort.
- Further research may be needed to explore other external influences on AHT.
Abstract:
Background: Abusive head trauma (AHT) is a leading cause of death and disability in children and one of the most lethal forms of child abuse. Most known risk factors for AHT pertain to the infant's caregiver and limited research has assessed external influences beyond the familial or caregiver/infant dyad. Objective: Our primary objective was to determine if temperature patterns are associated with AHT events. Secondary outcomes included associations between AHT and specific days of the week, months, or seasons. Methods: This was a retrospective review of 198 patients under 24 months old who were diagnosed with AHT at Saint Louis Children's Hospital. Demographic information was obtained from the medical record for each patient. For each AHT incident, the date and zip code of the incident were recorded. Temperature on the date of incident was identified using the Midwestern Regional Climate Center (MRCC). Chi square tests were utilized to calculate differences in cases per year as well as temperature and seasonal variation. Results: Temperature was not associated with a statistically significant increase in cases of AHT. There was an increase in cases as temperatures rose, but no statistically significant associations between incidence of AHT and day of the week, month, or season. Conclusion: Our study suggests no significant association between AHT incidence and temperature or temporal patterns in this Midwest hospital.
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