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Published on: June 10, 2013
Maternal stress, child behavior and the promotive role of older siblings
Federica Amici1,2, Stefan Röder3, Wieland Kiess4,5
1Department of Comparative Cultural Psychology, Max Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103, Leipzig, Germany. amici@eva.mpg.de.
Insights
Maternal stress, especially prenatal, increases child behavior problems. However, having older siblings can reduce externalizing behaviors, promoting positive child development.
Area of Science:
- Developmental Psychology
- Child Psychiatry
- Maternal Health
Background:
- Early childhood development is crucial for lifelong health and achievement.
- Understanding risk and beneficial factors is key to improving child outcomes.
- Early aversive conditions can have long-term negative effects.
Purpose of the Study:
- To examine how social/environmental stressors impact maternal stress.
- To analyze the relationship between maternal stress and child behavior problems.
- To investigate the role of siblings in child behavior development.
Main Methods:
- Longitudinal study of 373 mother-child pairs from pregnancy to 10 years.
- Validated questionnaires assessed maternal stress and child behavior (internalizing/externalizing).
- Statistical analysis using linear mixed models and cross-lagged models.
Main Results:
- Socio-environmental stressors, like poor neighborhood conditions, increased maternal stress.
- Prenatal maternal stress predicted childhood behavior problems.
- Older siblings reduced the likelihood of children developing externalizing problems.
Conclusions:
- Prenatal maternal stress negatively impacts offspring development.
- Older siblings play a significant role in promoting positive child development.
Background:
In the first years of their lives, children develop the cognitive, social and emotional skills that will provide the foundations for their lifelong health and achievements. To increase their life prospects and reduce the long-term effects of early aversive conditions, it is therefore crucial to understand the risk factors that negatively affect child development and the factors that are instead beneficial. In this study, we tested (i) the effects of different social and environmental stressors on maternal stress levels, (ii) the dynamic relationship between maternal stress and child behavior problems during development, and (iii) the potential promotive (i.e. main) or protective (i.e. buffering) effect of siblings on child behavior problems during development.
Methods:
We used longitudinal data from 373 mother-child pairs (188 daughters, 185 sons) from pregnancy until 10 years of age. We assessed maternal stress and child behavior problems (internalizing and externalizing) with validated questionnaires, and then used linear mixed models, generalized linear mixed models and longitudinal cross-lagged models to analyze the data.
Results:
Our results showed that higher maternal stress levels were predicted by socio-environmental stressors (i.e. the lack of sufficient social areas in the neighborhood). Moreover, prenatal maternal stress reliably predicted the occurrence of behavior problems during childhood. Finally, the presence of older siblings had a promotive function, by reducing the likelihood that children developed externalizing problems.
Conclusions:
Overall, our results confirm the negative effects that maternal stress during pregnancy may have on the offspring, and suggest an important main effect of older siblings in promoting a positive child development.
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