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| Name | Class |
|---|---|
| University of La Laguna | OTHER |
| Fundación Canaria Instituto de Investigación Sanitaria de Canarias | OTHER |
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Background:
Eating Disorders (ED) are mental health conditions, characterized by pathological behaviors toward food intake or a persistent obsession with weight control. EDs have a high prevalence among pre-adolescents in developed countries and pose a significant economic burden. Preventive interventions targeting at-risk populations for ED have proven effective. The use of Information and Communication Technologies (ICTs) facilitates access to larger population groups while also reducing costs.
Objectives:
Its content includes addressing key factors in the development of ED, such as eating habits, beauty standards, and media literacy, as well as activities aimed at strengthening psychological dimensions (self-esteem, emotional regulation, problem-solving, psychological flexibility, and resilience) and social skills, including communication styles and distinguishing between jokes and bullying.
The study involves schools being randomly assigned to either the PRETA Program or regular health activities. The effect of the intervention will be evaluated 3 months after its start.
A matched-pair cluster random allocation will be used, with schools being asigned as clusters. Six schools will be assigned to each group.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Intervention Group | Experimental | Participants in the intervention group will complete a baseline assessment and receive project information. Then, students from the schools randomly allocated to the intervention group will participate in the PRETA program, specifically designed for the primary prevention of Eating Disorders (ED) in a school setting. These sessions will involve educational activities and participatory dynamics to foster a healthy relationship with body image and eating. At the end of the program, participants will complete questionnaires to assess the outcomes. Additionally, parents and teachers in the intervention group will receive targeted training and resources. |
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| Control Group | No Intervention | The students randomly allocated to control condition will not receive any type of intervention. They will continue with their regular school activities but will complete the questionnaires and surveys to contrast the effects of the intervention. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Universal primary prevention program based on ICTs | Other | The intervention adopts a multicomponent approach, addressing three agents in the prevention and management of eating disorders: parents, teachers and students.
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| Measure | Description | Time Frame |
|---|---|---|
| Children's Eating Attitudes Test (ChEAT-26) Questionnaire score | The ChEAT is an adaptation of the EAT-26 for children is a 26 items scored on a 6-option Likert scale. It is a validated, self-administered questionnaire in Spanish for children aged 8 and older, with a reading level of 5th grade. The questionnaire focuses on identifying issues related to a persistent concern with food, eating patterns, and abnormal attitudes for this age group. The total score is obtained by summing all items, resulting in a range from 0 to 78 points. A total score above 20 points may indicate a possible presence of ED | Before and inmediately after the intervention |
| Measure | Description | Time Frame |
|---|---|---|
| Evaluation of body image measured with the Adapted Contour Drawing Rating Scale (A-CDRS) visual analog scale. | It consists of 9 male and 9 female figure outlines that increase in size as the score increases. This scale measures the level of satisfaction with one's own body image. The degree of satisfaction or discrepancy index is obtained by calculating the difference between the desired and perceived images. A difference of 2 points is associated with body image disturbance. Age-appropriate images adapted for children aged 10 to 13 years will be used. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Yolanda Ramallo-Fariña, PhD in Biomedical Sciences | Contact | +34922478266 | yolanda.ramallofarina@sescs.es |
| Name | Affiliation | Role |
|---|---|---|
| Yolanda Ramallo-Fariña, PhD in Biomedical Sciences | Servicio de Evaluación del Servicio Canario de la Salud | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Servicio de Evaluación y Planificación del Servicio Canario de Salud | Recruiting | Santa Cruz de Tenerife | Santa Cruz de Tenerife | 38109 | Spain |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 41087111 | Derived | Ramallo-Farina Y, Del Pino-Sedeno T, Pinto Robayna B, Capafons-Sosa JI, Cuesta-Rubio M, Garcia-Bello MA, Torres-Castano A, Vallejo Torres L, Benitez Brito N, Martin Corral J, Hernandez Rodriguez AI, Diaz Melian CD, Paz Lopez M, Gonzalez-Gonzalez CS. Effectiveness and cost-effectiveness of an online school-based programme to reduce eating disorder risk factors in preadolescents (PRETA): protocol for a cluster-randomised controlled trial. BMJ Open. 2025 Oct 14;15(10):e104014. doi: 10.1136/bmjopen-2025-104014. |
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Data will be available upon reasonable request. The data to be shared will include all IPD that underlie results in a publication, as well as the statistical analysis plan, informed consent form and the analytic code.
All sensitive data will be anonymized to ensure the privacy and confidentiality of the participants.
All IPD, except for data related to outcome measures obtained at the post-intervention stage, will be available for sharing prior to the study's completion. The complete IPD will be available for sharing six months after the study's conclusion.
As an access criterion for Individual Participant Data (IPD), it is required that no information be requested that could compromise the anonymity of participants. This ensures adherence to ethical research standards and the protection of personal data, safeguarding the confidentiality and privacy of all individuals involved.
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Data analysis
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| Before and inmediately after the intervention |
| Body dissatisfaction, bulimia, and drive for thinness measured with the Spanish version of the Eating Disorder Inventory-2 (EDI-2). | The Eating Disorders Inventory-2 is a self-report instrument consisting of 91 items assessing psychological and behavioral traits associated with eating disorders, primarily anorexia and bulimia nervosa, across 11 different subscales. The response scale is a six-point Likert scale ranging from 0 (never) to 5 (always). The total score is obtained by summing all responses; a higher score indicates a greater presence of the trait. | Before and inmediately after the intervention |
| Internalization of the current aesthetic model and media pressure using the Spanish version of the Sociocultural Attitudes Towards Appearance Questionnaire-4 | The original instrument includes 5 subscales; however, in this study, only the subscales related to body image internalization will be applied: the current aesthetic model based on thinness and the current aesthetic model based on athletic build (10 items), and the pressure to meet beauty ideals promoted by the media (4 items). Items are answered on a 5-point Likert scale, ranging from 1 "completely disagree" to 5 "completely agree." The score is calculated by summing all items; a higher score indicates greater internalization and influence of the aesthetic body model. | Before and inmediately after the intervention |
| Evaluation of global self-esteem measured with the Rosenberg Self-Esteem Scale | consists of 10 items that assess global self-esteem in adolescents, including elements focused on feelings of self-respect and self-acceptance. The first 5 items are positively worded and scored from 4 (strongly agree) to 1 (strongly disagree); the last 5 items are negatively worded and scored from 1 (strongly agree) to 4 (strongly disagree). The total score is obtained by summing all item responses. A score above 30 indicates high self-esteem, a score between 26 and 29 is considered medium self-esteem, and a score below 25 reflects low self-esteem. | Before and inmediately after treatment |
| ID | Term |
|---|---|
| D000073932 | Food Addiction |
| D001068 | Feeding and Eating Disorders |
| ID | Term |
|---|---|
| D016739 | Behavior, Addictive |
| D003192 | Compulsive Behavior |
| D007175 | Impulsive Behavior |
| D001519 | Behavior |
| D001523 | Mental Disorders |
| D012817 | Signs and Symptoms, Digestive |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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