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Healthier school food and physical activity environments matter for childhood obesity

School food choices and number of physical activity facilities are associated with students' BMI

Date:
July 8, 2020
Source:
Rutgers University
Summary:
Students at elementary and secondary schools that offer healthier food offerings and more opportunities for physical activities have a healthier body mass index, according to researchers. The study, published in Preventive Medicine Reports, uses professional measures of students' height and weight -- the gold standard for studying childhood obesity -- in a study on the effects of a school's food offerings and physical activity environment.
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Students at elementary and secondary schools that offer healthier food offerings and more opportunities for physical activities have a healthier body mass index, according to Rutgers researchers.

The study, published in Preventive Medicine Reports, uses professional measures of students' height and weight -- the gold standard for studying childhood obesity -- in a study on the effects of a school's food offerings and physical activity environment.

Almost one in five children and adolescents in the United States are obese. Since children eat up to two meals per day and can get 40 percent of their daily physical activity at schools, schools play a major role in obesity-related behaviors. Although recent policies and programs, such as the National School Lunch Program, have focused on promoting healthier school environments, there is little evidence of the consequences for children's weight.

The study looked at the healthfulness over the period of one school year of items offered in school lunches, vending machines and other school food offerings, as well as the number of indoor and outdoor physical activity facilities and physical activity opportunities at 90 public schools that serve 19,000 students in Newark, Trenton, Camden and New Brunswick.

Researchers found that healthier food offerings and a greater number of physical activity facilities were associated with lower body mass index, on average, for students. Schools that offered an additional unhealthy item in vending machines were associated with higher student weight and those that had an additional outdoor physical activity facility correlated with lower student weight.

"Evidence of the importance of school meals and of enforcing healthy nutritional standards is particularly timely given current federal proposals to roll back those standards," said Michael Yedidia, who co-directs the New Jersey Child Health Study at the Rutgers Center for State Health Policy. "These meals are critical to the health of low-income students, who are 80 percent of those served by federal school meals programs. They provide up to half of the students' nutritional needs at low or no cost to parents."

The findings will be particularly relevant for discussions on Child Nutrition Reauthorization, the key piece of federal legislation that supports school food programs, said Punam Ohri-Vachaspati, a study co-author at Arizona State University. "Schools play a critical role in providing environments to support healthy habits among children that can influence their short and long term-health," she said.


Story Source:

Materials provided by Rutgers University. Original written by Patti Verbanas. Note: Content may be edited for style and length.


Journal Reference:

  1. Sanika Dighe, Kristen Lloyd, Francesco Acciai, Sarah Martinelli, Michael J. Yedidia, Punam Ohri-Vachaspati. Healthier school food and physical activity environments are associated with lower student body mass index. Preventive Medicine Reports, 2020; 19: 101115 DOI: 10.1016/j.pmedr.2020.101115

Cite This Page:

Rutgers University. "Healthier school food and physical activity environments matter for childhood obesity." ScienceDaily. ScienceDaily, 8 July 2020. <www.sciencedaily.com/releases/2020/07/200708133021.htm>.
Rutgers University. (2020, July 8). Healthier school food and physical activity environments matter for childhood obesity. ScienceDaily. Retrieved March 29, 2024 from www.sciencedaily.com/releases/2020/07/200708133021.htm
Rutgers University. "Healthier school food and physical activity environments matter for childhood obesity." ScienceDaily. www.sciencedaily.com/releases/2020/07/200708133021.htm (accessed March 29, 2024).

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