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Interpregnancy intervals and behavioural outcomes in children: A population-based longitudinal study
Berihun A Dachew1, Gizachew A Tessema2, Getinet Ayano3
1School of Population Health, Curtin University, Perth, Australia; EnAble Institute, Curtin University, Perth, Australia.
Journal of Psychiatric Research
|October 5, 2024
Summary
Short interpregnancy intervals (less than 6 months) are linked to increased conduct and hyperactivity issues in children. This study explored the mental health impact of short intervals between pregnancies.
Area of Science:
- Reproductive Health
- Child Psychology
- Epidemiology
Background:
- Physical health impacts of short interpregnancy intervals (IPIs) are known, but mental health effects are understudied.
- Investigating IPIs' association with child behavioral outcomes is crucial for understanding developmental impacts.
Purpose of the Study:
- To examine the relationship between short interpregnancy intervals (IPIs) and behavioral outcomes in children.
- To assess these associations across four developmental time points from age 7 to 16.
Main Methods:
- Utilized data from the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort.
- Assessed behavioral problems using the Strengths and Difficulties Questionnaire (SDQ) in over 2300 mother-child pairs.
- Employed Generalized Estimating Equations (GEE) to analyze associations between IPIs and behavioral outcomes.
Main Results:
- Children born after short IPIs (<6 months) showed increased odds of total behavioral difficulties (OR 1.54), conduct problems (OR 1.42), and hyperactivity/inattention (OR 1.37) compared to IPIs of 18-23 months.
- No significant associations were found between short IPIs and emotional symptoms, peer-relationship problems, or pro-social behavior.
Conclusions:
- Short interpregnancy intervals (<6 months) are associated with externalizing behavioral problems (conduct, hyperactivity/inattention) in children.
- The study found no link between short IPIs and internalizing problems (emotional, peer-relationship issues).
- Further research is needed to confirm these findings and explore underlying mechanisms.
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