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A Preliminary Study of Temperament Among Malnourished Mayan Children
J R Galler1, M D Cervera2, R H Harrison1
1a Center for Behavioral Development and Mental Retardation , Boston University School of Medicine , 80 East Concord Street, Suite M923, Boston , MA 02118 , USA.
Insights
Marginally malnourished boys exhibited more difficult temperaments than healthy boys. Infant nutrition status significantly impacted temperament, especially in boys, but not in girls.
Area of Science:
- Child Development
- Nutritional Science
- Psychology
Background:
- Infant temperament is crucial for development.
- Nutritional status may influence infant behavior.
- Understanding these links is vital for early intervention.
Purpose of the Study:
- To investigate the relationship between marginal malnutrition and infant temperament.
- To explore potential sex differences in this relationship.
- To assess temperament in 7-13 month olds in rural Mexico.
Main Methods:
- Used a modified Carey Infant Temperament Questionnaire.
- Compared 11 marginally malnourished infants with 14 healthy controls.
- Analyzed temperament data using statistical grouping into factors.
Main Results:
- A significant nutrition × sex interaction was found for the 'Difficult Child' factor.
- Malnourished boys showed more difficult temperaments than healthy boys.
- Girls' temperaments were similar across nutritional groups and intermediate to boys' scores.
Conclusions:
- Infant boys' temperaments are more susceptible to nutritional status than girls'.
- Marginal malnutrition may negatively affect boys' adaptability and mood.
- Findings highlight the importance of nutrition for early child development and behavior.
Abstract:
Temperament ratings using a modified Carey Infant Temperament Questionnaire were assessed in marginally malnourished and healthy comparison infants aged 7-13 months. The children were selected from a total of 81 children in this age range living in a rural region of southern Yucatan, Mexico. Eleven marginally malnourished infants whose weights fell between one-half and two standard deviations below local means and 14 comparison children whose weights fell one-half to two standard deviations above the local means were included in the study. Lengths did not differ between index and comparison groups. Related temperament categories were statistically grouped into two factors. Factor 1 (Difficult Child), which included approach, mood, threshold, adaptability and rhythmicity, showed a significant nutrition × sex interaction; Factor 2 (Activity) did not distinguish the groups. Comparison boys were viewed as significantly easier than marginally malnourished boys, and they were more adaptable to change and predictable in biological functions. Girls were similar regardless of nutritional status, and their scores were intermediate between those of malnourished and well-nourished boys. These findings were not significantly associated with environmental conditions in the home.
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