Related Experiment Video
Updated: Sep 26, 2025

Separation of Immune Cell Subpopulations in Peripheral Blood Samples from Children with Infectious Mononucleosis
Published on: September 7, 2022
Segregating Suspected Child Maltreatment from Non-Child Maltreatment Injuries: A Population-Based Case-Control Study
Yo-Ting Jin1,2,3, Chin-Mi Chen1, Yao-Ching Huang4,5
1Department of Nursing, Fu-Jen Catholic University, New Taipei City 242062, Taiwan.
Insights
Child abuse in Taiwan is linked to more severe injuries, longer hospital stays, and higher costs. Low-income families and urban living increase risk, especially for infants with intracranial injuries.
Area of Science:
- Public Health
- Pediatrics
- Forensic Medicine
Background:
- Child maltreatment is a significant public health concern with diverse presentations.
- Understanding differential characteristics of child abuse injuries is crucial for accurate diagnosis and intervention.
Purpose of the Study:
- To compare patient demographics, injury types, and treatment outcomes between hospitalized child abuse and non-child abuse cases in Taiwan.
- To identify risk factors associated with child maltreatment in injured children.
Main Methods:
- Retrospective analysis of the National Health Insurance Research Database.
- Inclusion of 1525 child abuse cases and 6100 non-abuse injury comparison cases (under 18).
- Statistical analyses including Chi-square, Fisher exact, independent t-tests, and multivariate conditional logistic regression.
Main Results:
- Intracranial injuries were significantly more frequent in the child abuse group (35.0% vs. 8.2%).
- Abused children experienced longer hospital stays (8.91 vs. 4.41 days) and higher medical costs (USD 2564 vs. USD 880).
- Risk factors for child abuse included low-income families (Adjusted OR 1.965), high urbanization, and seasonality (autumn).
Conclusions:
- Infants hospitalized with severe intracranial injuries are at high risk for child maltreatment.
- Environmental factors like urban living, low socioeconomic status, and season (autumn) are associated with increased child abuse.
- Early identification of these risk factors is vital for preventing child abuse and improving outcomes.
Abstract:
Objective: To identify the differential patient characteristics, injury types, and treatment outcomes between hospitalized child abuse and non-child abuse injuries in Taiwan. Methods: Using the data from the National Health Insurance Research Database, we selected a total of 1525 patients under the age of 18 that were diagnosed with child abuse, as well as an additional 6100 patients as a comparison group. Chi-square test, Fisher exact test, and independent samples t-test were used to compare the differences between the abused children and the non-abuse-related injured children. The multivariate conditional logistic regression was performed to measure the risk factor of child maltreatment in injured children. Results: Intracranial injury was more frequent in the child abuse group than it was in the non-child abuse group (35.0% vs. 8.2%; p < 0.001). Children in the child abuse group tended to stay longer in the hospital and incur higher medical expenses (8.91 days vs. 4.41 days and USD 2564 vs. USD 880, respectively). In multivariate analysis, the Adjusted Odds Ratio (Adjusted OR) of abuse resulting in an injury for children in low-income families is 1.965 times higher than those in non-low-income families (p < 0.001). Children living in high urbanization areas had a significantly higher probability of being abused than those living in low urbanization areas (p < 0.001). Conclusion: Children under the age of 1 who were hospitalized with severe intracranial injuries are highly at risk for child maltreatment. Moreover, numerous high-risk environmental factors were observed in child abuse cases, including living in urban areas, families with low income, and seasonality, as child maltreatment cases occur more frequently in autumn.

