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Birth weight and special educational needs: results of a population-based study in Berlin
Susanne Bettge1, Sylke Oberwöhrmann, Matthias Brockstedt
1Berlin Senate Department for Health and Social Services, Child and Adolescent Health Service Berlin-Mitte, Department of Neonatology of the Charité-Universitätsmedizin Berlin, Susanne Bettge and Sylke Oberwöhrmann have equally contributed to the manuscript.
Insights
Lower birth weight in children is linked to a higher risk of special educational needs. Social status and family background also significantly influence these developmental outcomes.
Area of Science:
- Pediatrics
- Developmental Psychology
- Public Health
Background:
- Preterm infants face increased risks for developmental challenges.
- Understanding the link between birth weight and special educational needs is crucial for early intervention.
Purpose of the Study:
- To quantify the relationship between birth weight and the incidence of special educational needs.
- To identify other contributing factors to special educational needs.
Main Methods:
- Analysis of pre-school examination data from 134,313 children aged 5-6 in Berlin (2007-2011).
- Statistical analysis, including logistic regression, to determine odds ratios for special educational needs based on birth weight and other factors.
Main Results:
- A steady increase in special educational needs was observed with decreasing birth weight.
- Risk factors included male sex, low social status, immigrant background with poor German skills, and single-parent households.
- Positive factors included long-term nursery/kindergarten attendance and immigrant background with good German skills.
Conclusions:
- Even moderately reduced birth weight elevates the risk of special educational needs.
- Family social status is a primary factor alongside birth weight.
- While very low birth weight infants have a higher rate, they constitute a small proportion of all children with special educational needs.
Background:
Preterm infants are at higher risk for developmental problems. The aim of this study is to quantify the relation between birth weight and special educational needs.
Methods:
We analyzed data from the pre-school examinations of 134 313 children in Berlin aged 5 to 6 who were examined between 2007 and 2011.
Results:
Special educational needs were diagnosed in 8058 children (6.0%), 4943 (61%) of whom had weighed 3000 g or more at birth. The percentage of children with special educational needs rose steadily with decreasing birth weight (2250-2499 g, 9.2%; 1250-1499 g, 21.1%; less than 750 g, 35.6%). Logistic regression analysis yielded odds ratios and 99% confidence intervals for special educational needs that ranged from 1.32 [1.17-1.47] for birth weight 2750-2999 g to 12.83 [7.48-22.03] for birth weight less than 750 g. Further risk factors were male sex (1.88 [1.75-2.03]), low social status (5.96 [5.21-6.82]), an immigrant background associated with poor German language skills in the family (1.63 [1.43-1.86]), and being raised by a single parent (1.21 [1.12-1.31]). On the other hand, nursery school and/or kindergarten enrollment for at least two years before entering school (0.82 [0.73-0.91]) and an immigrant background with good German skills in the family (0.39 [0.34-0.45]) were associated with lower rates of special educational needs.
Conclusion:
The risk of special educational needs increases already with moderately decreased birth weight. The most important factor other than birth weight is the family's social status. Although children of very low birth weight have a much higher rate of special educational needs than other children, they still make up only a small percentage of all children with special educational needs.
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