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Nutrition, environment and physical performance of preschool children in Italy
Insights
Marginal nutrition impacts children's development. Socioeconomic status affects diet and growth, with higher socioeconomic children showing more body fat but not necessarily better physical fitness compared to underprivileged peers.
Area of Science:
- Pediatric Nutrition
- Child Development
- Exercise Physiology
Background:
- Overt malnutrition is known to impair bodily functions and physical performance.
- Limited data exists on marginal nutrition's effects on early childhood functional development.
- Socioeconomic disparities significantly influence children's health and development.
Purpose of the Study:
- To investigate the impact of marginal nutrition on functional development in young children.
- To compare diet, somatic development, and exercise response across different socioeconomic groups.
- To assess the relationship between socioeconomic status, nutritional intake, and physical fitness in children aged 1-6 years.
Main Methods:
- Cross-sectional study involving 2,241 children aged 1-6 years.
- Analysis of dietary intake, somatic development (body size, skinfold thickness), and heart response to exercise.
- Comparison between children from contrasting socioeconomic environments in Central and Southern Italy.
Main Results:
- Upper socioeconomic urban children (Central Italy) had better diets and larger body size than underprivileged Southern children.
- A higher proportion of underprivileged children exhibited growth retardation.
- Despite growth differences, underprivileged children showed more efficient heart responses to exercise, indicating adequate physical fitness.
- Children from higher socioeconomic backgrounds had significantly higher body fat content and skinfold thickness.
Conclusions:
- Socioeconomic status is linked to dietary quality, somatic development, and body composition in young children.
- While higher socioeconomic status may lead to increased adiposity, it doesn't guarantee proportionally enhanced functional capacity.
- The study questions the long-term benefits of somatic development changes associated with upward social mobility if accompanied by increased adiposity without functional gains.
Abstract:
While overt malnutrition is known to interfere with several bodily functions and to cause a deterioration of the level of physical performance, little or no information is available on the effect of marginal nutrition on functional development, particularly at earlier ages. A cross-sectional study of the diet, somatic development and functional response to exercise of 2,241 children, aged 1-6 years, representing contrasting socioeconomic environments, has been carried out. The findings indicate that the upper socioeconomic urban child from Central Italy consumes a better diet and is larger than the underprivileged Southern child. While a greater proportion of the latter group experience a considerable degree of growth retardation, the better efficiency of their heart responses to exercise indicates that the level of nutrition of these children is still good enough to be compatible with a more satisfactory degree of physical fitness. The body fat content and skinfold thickness of the child from the Center have found to be significantly higher than those of the children from the poorer sections of the population, suggesting that at least part of the extra energy available to him for physical activity is being deposited as fat. This raises the question of the desirability of changes in somatic development characteristic of upward social mobility, when accompanied by increased adiposity without a proportional increase in the functional capacity.