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Obesity (Silver Spring). 2016 Mar;24(3):687-95. doi: 10.1002/oby.21365. Epub 2016 Feb 1.

Association between a school-based intervention and adiposity outcomes in adolescents: The Italian "EAT" project.

Author information

1
Diabetology and Metabolic Diseases Unit, I.R.C.C.S. Policlinico San Donato, San Donato Milanese, Milan, Italy.
2
Department of Biomedical Sciences for Health, University of Milan, Milan, Italy.
3
Unit of Biostatistics and Clinical Epidemiology, Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy.
4
Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy.
5
I.R.C.C.S. Policlinico San Donato, San Donato Milanese, Milan, Italy.
6
Operative Unit Service of Laboratory Medicine-1 Clinical Pathology, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy.
7
Department of Medical Biotechnology and Translational Medicine, Center for Study and Research on Obesity, University of Milan, Milan, Italy.

Abstract

OBJECTIVE:

To evaluate whether a school-based multicomponent educational program could improve adiposity measures in middle-school adolescents.

METHODS:

A non-randomized controlled pilot study was conducted in six state middle schools (487 adolescents, 11-15 years) in townships in an urban area around Milan, three schools (n = 262 adolescents) being assigned to the intervention group and three schools (n = 225 adolescents) to the control group. The two-school-year intervention included changes in the school environment (alternative healthy vending machines, educational posters) and individual reinforcement tools (school lessons, textbook, text messages, pedometers, re-usable water bottles). The main outcome measure was change in BMI z-score. The secondary outcomes were changes in waist-to-height ratio (WHtR) and behavioral habits.

RESULTS:

The intervention was associated with a significant difference in BMI z-score (-0.18 ± 0.03, P<0.01) and in WHtR (-0.04 ± 0.002, P < 0.001), after controlling for baseline covariates. Subgroup analysis showed the maximum association between the intervention and the difference in BMI z-score for girls with overweight/obesity. Physical activity increased and consumption of sugar-sweetened beverages and high-energy snacks decreased in adolescents after the intervention.

CONCLUSIONS:

A school-based multicomponent intervention conducted at both environmental and individual levels may be effective for reducing adiposity measures mainly in adolescents with overweight/obesity.

PMID:
26833570
DOI:
10.1002/oby.21365
[Indexed for MEDLINE]
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