Childhood Obesity: A Growing Problem

September 27, 2011

Obesity, especially beginning in childhood, has become a growing problem in the United States. The rate of childhood obesity has been increasing at a breakneck speed so that currently a third of children are obese (16.4 percent) or overweight (18.2 percent), according to a recent report from the Trust for America’s Health. Childhood obesity is linked with numerous negative effects that can follow a person throughout their lifetime, including greater risk for other health problems such as asthma, cancer, diabetes, heart disease, and high blood pressure. Given the risk of these negative outcomes, early intervention is seen as paramount by many. With that in mind, President Obama made a proclamation on August 31st, declaring September to be National Childhood Obesity Awareness Month. To that end, the federal government’s Let’s Move! initiative encourages children and families to make healthier choices regarding exercise and meals. But as President Obama noted in proclamation, “Everyone has a role to play in preventing and reversing the tide of childhood obesity.” This does not exclude preschool programs and, indeed, in the past research has found that a preschool program’s choices of daily activities and menu selection could play a role in reducing childhood obesity. For more on the role of preschool in promoting healthy lifestyles, stay tuned for NIEER’s upcoming brief on health policies in pre-K.

- Jen Fitzgerald, Public Information Officer, NIEER


Preschool’s Role in Fighting Childhood Obesity

March 9, 2010

While new data from the Centers for Disease Control (CDC) suggests that the childhood obesity epidemic may have hit a plateau, the fact remains that in 2008, 14.6 percent of low-income children from ages 2 to 4 were obese. Obesity at such young ages has been linked to less physical activity, thus perpetuating unhealthy weight and inactivity status into adulthood. While obesity levels have been rising, the number of children enrolled in preschool programs has also been steadily increasing. Researchers and advocates have proposed that preschools might be an appropriate place for preventive health measures, particularly activities that increase young children’s physical activity. Enter the Children’s Activity and Movement in Preschools Study (CHAMPS).

CHAMPS studied preschool children enrolled in 24 preschools in an urban area of South Carolina, with the aim of learning how much and in what context preschoolers were engaging in physical activity. Preschools in the study were child care centers, faith-based preschools, and Head Start programs, and children were all between 3 and 5 years old. Of the more than 450 children participating in the study, roughly half were males and half were African Americans.

Children were observed during the preschool hours, both indoor and outdoors, and their levels of physical activity were recorded by trained observers. Physical activity levels were: motionless, stationary with limb or trunk movement, light activity, moderate activity, and vigorous activity.

The researchers found that children engaged in moderate to vigorous physical activity (MVPA) during only 3.4 percent of the preschool day. They also found that 4- and 5-year-olds were less physically active than 3-year-olds, and males were more active than females. In addition, the study found that children in higher quality preschools were more likely to engage in physical activity than children in programs of lower quality.

While spending more time indoors, children were more likely to engage in physical activity when outdoors. The five most common outdoor activities involved open space, fixed equipment, ball and object use, socio-dramatic props, and wheel toys. The first three conditions are associated with high levels of moderate to vigorous physical activity (MVPA). The other two are also associated with MVPA at lower levels. Read the rest of this entry »


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