J. Med. Internet Res. - Healthy weight regulation and eating disorder prevention in high school students: a universal and targeted Web-based intervention.

Tópicos

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Resumo

CKGROUND: Given the rising rates of obesity in children and adolescents, developing evidence-based weight loss or weight maintenance interventions that can be widely disseminated, well implemented, and are highly scalable is a public health necessity. Such interventions should ensure that adolescents establish healthy weight regulation practices while also reducing eating disorder risk.OBJECTIVE: This study describes an online program, StayingFit, which has two tracks for universal and targeted delivery and was designed to enhance healthy living skills, encourage healthy weight regulation, and improve weight/shape concerns among high school adolescents.METHODS: Ninth grade students in two high schools in the San Francisco Bay area and in St Louis were invited to participate. Students who were overweight (body mass index [BMI] >85th percentile) were offered the weight management track of StayingFit; students who were normal weight were offered the healthy habits track. The 12-session program included a monitored discussion group and interactive self-monitoring logs. Measures completed pre- and post-intervention included self-report height and weight, used to calculate BMI percentile for age and sex and standardized BMI (zBMI), Youth Risk Behavior Survey (YRBS) nutrition data, the Weight Concerns Scale, and the Center for Epidemiological Studies Depression Scale.RESULTS: A total of 336 students provided informed consent and were included in the analyses. The racial breakdown of the sample was as follows: 46.7% (157/336) multiracial/other, 31.0% (104/336) Caucasian, 16.7% (56/336) African American, and 5.7% (19/336) did not specify; 43.5% (146/336) of students identified as Hispanic/Latino. BMI percentile and zBMI significantly decreased among students in the weight management track. BMI percentile and zBMI did not significantly change among students in the healthy habits track, demonstrating that these students maintained their weight. Weight/shape concerns significantly decreased among participants in both tracks who had elevated weight/shape concerns at baseline. Fruit and vegetable consumption increased for both tracks. Physical activity increased among participants in the weight management track, while soda consumption and television time decreased.CONCLUSIONS: Results suggest that an Internet-based, universally delivered, targeted intervention may support healthy weight regulation, improve weight/shape concerns among participants with eating disorders risk, and increase physical activity in high school students. Tailored content and interactive features to encourage behavior change may lead to sustainable improvements in adolescent health.

Resumo Limpo

ckground given rise rate obes children adolesc develop evidencebas weight loss weight mainten intervent can wide dissemin well implement high scalabl public health necess intervent ensur adolesc establish healthi weight regul practic also reduc eat disord riskobject studi describ onlin program stayingfit two track univers target deliveri design enhanc healthi live skill encourag healthi weight regul improv weightshap concern among high school adolescentsmethod ninth grade student two high school san francisco bay area st loui invit particip student overweight bodi mass index bmi th percentil offer weight manag track stayingfit student normal weight offer healthi habit track session program includ monitor discuss group interact selfmonitor log measur complet pre postintervent includ selfreport height weight use calcul bmi percentil age sex standard bmi zbmi youth risk behavior survey yrbs nutrit data weight concern scale center epidemiolog studi depress scaleresult total student provid inform consent includ analys racial breakdown sampl follow multiracialoth caucasian african american specifi student identifi hispaniclatino bmi percentil zbmi signific decreas among student weight manag track bmi percentil zbmi signific chang among student healthi habit track demonstr student maintain weight weightshap concern signific decreas among particip track elev weightshap concern baselin fruit veget consumpt increas track physic activ increas among particip weight manag track soda consumpt televis time decreasedconclus result suggest internetbas univers deliv target intervent may support healthi weight regul improv weightshap concern among particip eat disord risk increas physic activ high school student tailor content interact featur encourag behavior chang may lead sustain improv adolesc health

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