Pablo Monsivais1, Colin D Rehm. 1. School of Public Health, University of Washington, Seattle, USA. pm491@medschl.cam.ac.uk
Abstract
OBJECTIVE: To estimate the nutritional and economic effects of substituting whole fruit for juice in the diets of children in the United States. DESIGN: Secondary analyses using the 2001-2004 National Health and Nutrition Examination Survey and a national food prices database. Energy intakes, nutrient intakes, and diet costs were estimated before and after fruit juices were completely replaced with fruit in 3 models that emphasized fruits that were fresh, inexpensive, and widely consumed and in a fourth model that partially replaced juice with fruit, capping juice at recommended levels. SETTING: A nationwide, representative sample of children in the United States. PARTICIPANTS: A total of 7023 children aged 3 to 18 years. MAIN EXPOSURES: Systematic complete or partial replacement of juice with fruit. MAIN OUTCOME MEASURES: Difference in energy intakes, nutrient intakes, and diet costs between observed and modeled diets. RESULTS: For children who consumed juice, replacement of all juice servings with fresh, whole fruit led to a projected reduction in dietary energy of 233 kJ/d (-2.6% difference [95% CI, -5.1% to -0.1%]), an increase in fiber of 4.3 g/d (31.1% difference [95% CI, 26.4%-35.9%]), and an increase in diet cost of $0.54/d (13.3% difference [95% CI, 8.8%-17.8%]). CONCLUSIONS: Substitution of juice with fresh fruit has the potential to reduce energy intake and improve the adequacy of fiber intake in children's diets. This would likely increase costs for schools, childcare providers, and families. These cost effects could be minimized by selecting processed fruits, but fewer nutritional gains would be achieved.
OBJECTIVE: To estimate the nutritional and economic effects of substituting whole fruit for juice in the diets of children in the United States. DESIGN: Secondary analyses using the 2001-2004 National Health and Nutrition Examination Survey and a national food prices database. Energy intakes, nutrient intakes, and diet costs were estimated before and after fruit juices were completely replaced with fruit in 3 models that emphasized fruits that were fresh, inexpensive, and widely consumed and in a fourth model that partially replaced juice with fruit, capping juice at recommended levels. SETTING: A nationwide, representative sample of children in the United States. PARTICIPANTS: A total of 7023 children aged 3 to 18 years. MAIN EXPOSURES: Systematic complete or partial replacement of juice with fruit. MAIN OUTCOME MEASURES: Difference in energy intakes, nutrient intakes, and diet costs between observed and modeled diets. RESULTS: For children who consumed juice, replacement of all juice servings with fresh, whole fruit led to a projected reduction in dietary energy of 233 kJ/d (-2.6% difference [95% CI, -5.1% to -0.1%]), an increase in fiber of 4.3 g/d (31.1% difference [95% CI, 26.4%-35.9%]), and an increase in diet cost of $0.54/d (13.3% difference [95% CI, 8.8%-17.8%]). CONCLUSIONS: Substitution of juice with fresh fruit has the potential to reduce energy intake and improve the adequacy of fiber intake in children's diets. This would likely increase costs for schools, childcare providers, and families. These cost effects could be minimized by selecting processed fruits, but fewer nutritional gains would be achieved.
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