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SIYA-PT: An Internet-based CBT Intervention to Enhance Low Self-esteem Among Portuguese Emerging Adults

6 novembre 2026 mis à jour par: Ivanilda B. Costa, Lusofona University

SIYA-PT: An Internet-based CBT Intervention to Enhance Low Self-esteem

This study investigates whether an eHealth cognitive-behavioural therapy (CBT) intervention for low self-esteem, SIYA-PT, is acceptable and feasible for an ethnically diverse population of emerging adults in Portugal.

Aperçu de l'étude

Statut

Pas encore de recrutement

Les conditions

Intervention / Traitement

Description détaillée

Low self-esteem (LSE) is a negative cognitive representation of the self, based on personal experience, and it influences how information is processed.

LSE has been linked to worse psychological adjustment, and research has found that CBT-based interventions using Fennell's cognitive model of low self-esteem were able to improve participants' self-esteem.

SIYA-PT is a cultural adaptation of SIYA, a guided internet-based CBT intervention developed for Swedish adolescents, and it is based on Cognitive Model of Low Self-Esteem, Self-Determination Theory, and Self-Compassion Theory. SIYA-PT has 7 modules that will be presented to participants, one module per week.

The investigators aim to evaluate whether a culturally adapted iCBT intervention is accepted by Portuguese emerging adults - people aged 18 to 29 years old - and whether it is feasible in enhancing self-esteem and improving anxiety and depressive symptoms and quality of life.

This study is a pilot-randomised controlled trial. The study will have an intervention group (IG) that will receive the intervention (SIYA-PT) immediately after randomisation, and a waitlist control group (WCG) that will receive the intervention after follow-up, 3 months after IG finishes their intervention.

The investigators aim to recruit at least 58 participants with LSE, considering a 31% dropout.

The main outcomes of the study are self-esteem, quality of life and anxiety and depressive symptoms and the secondary outcomes are self-compassion and assertiveness.

Type d'étude

Interventionnel

Inscription (Estimé)

58

Phase

  • N'est pas applicable

Contacts et emplacements

Cette section fournit les coordonnées de ceux qui mènent l'étude et des informations sur le lieu où cette étude est menée.

Coordonnées de l'étude

Lieux d'étude

Critères de participation

Les chercheurs recherchent des personnes qui correspondent à une certaine description, appelée critères d'éligibilité. Certains exemples de ces critères sont l'état de santé général d'une personne ou des traitements antérieurs.

Critère d'éligibilité

Âges éligibles pour étudier

18 ans à 29 ans (Adulte)

Accepte les volontaires sains

Non

Sexes éligibles pour l'étude

Tout

La description

Inclusion Criteria:

  • Scores of ≤15 on the Rosenberg Self-esteem Scale and <120 on the Robson Self-concept Questionnaire indicating low self-esteem;
  • Scores of ≤ 50 on the WHOQOL-BREF indicating low quality of life
  • Age between 18 and 29 years old
  • Fluency in written and spoken Portuguese
  • Daily access to a device with an internet connection
  • Not receiving any psychological intervention
  • If on psychopharmacological treatment, must be in treatment for at least three months and the dosage must be stable for at least one month
  • Residence in Portugal

Exclusion Criteria:

  • Severe psychiatric disorders such as Depressive Disorder or Suicidal ideation, which will be self-reported on the Sociodemographic Questionnaire and assessed through a Structured Interview developed by the research team
  • Alcohol Use Disorder, which will be assessed using the Alcohol Use Disorder Identification Test
  • Personal relationship with PHD student (e.g., former patients or students, friends, family members)

Plan d'étude

Cette section fournit des détails sur le plan d'étude, y compris la façon dont l'étude est conçue et ce que l'étude mesure.

Comment l'étude est-elle conçue ?

Détails de conception

  • Objectif principal: Traitement
  • Répartition: Randomisé
  • Modèle interventionnel: Affectation parallèle
  • Masquage: Aucun (étiquette ouverte)

Armes et Interventions

Groupe de participants / Bras
Intervention / Traitement
Expérimental: Intervention Group (IG)

IG will have access to the intervention (SIYA-PT). The participants will have an individual login to use the platform, and have access to the modules and the measures that need to be filled out throughout the study.

SIYA-PT has seven modules:

Module 1 - Introduction Module 2 - Achievements and self-esteem Module 3 - Relationships and self-esteem Module 4 - Independence and self-esteem Module 5 - Dealing with adversities Module 6 - Self-acceptance Module 7 - Termination and continuation

Autre: Waitlist Control Group (WCG)

WCG will not receive the intervention while IG goes through SIYA-PT. The participants will have an individual login to access the platform to answer the self-reported measures weekly to monitor their well-being. The participants will also have access to messaging to be able to contact the clinical psychologist on the platform if there is increase in their, e.g., anxiety and depressive symptoms. After the end of IG intervention and the follow-up , three months, WCG will receive the same SIYA-PT intervention.

SIYA-PT has seven modules:

Module 1 - Introduction Module 2 - Achievements and self-esteem Module 3 - Relationships and self-esteem Module 4 - Independence and self-esteem Module 5 - Dealing with adversities Module 6 - Self-acceptance Module 7 - Termination and continuation

Que mesure l'étude ?

Principaux critères de jugement

Mesure des résultats
Description de la mesure
Délai
The Rosenberg Self-esteem Scale (RSE)
Délai: Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

A 10-item self-report measure to assess global self-esteem. The RSE (Rosenberg, 1965; Pechorro et al., 2011) uses a 4-point Likert scale to rate agreement with the statements, from 0 (Strongly disagree) to 3 (Strongly agree). Scores vary from 0 to 30, with higher scores indicating higher levels of global self-esteem.

Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up
Robson Self-Concept Questionnaire (RSCQ)
Délai: Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

A 30-item self-report measure to assess global self-esteem. The RSCQ (Robson, 1989) uses a 7-point Likert scale to rate agreement with each statement, from 0 (Completely disagree) to 7 (Completely agree). Scores vary from 0 to 210, with higher scores indicating higher levels of global self-esteem.

Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up
Generalised Anxiety Disorder 7-item Scale (GAD-7)
Délai: Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

A seven-item self-report measure to assess generalised anxiety disorder according to DSM-IV criteria. GAD-7 (Spitzer et al., 2006; Sousa et al., 2015) uses a 4-point Likert scale to rate how often one has experienced the described situation, from 0 (Never) to 3 (Almost every day). Scores vary from 0 to 21, with higher scores indicating higher levels of anxiety.

Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up
Patient Health Questionnaire 9-item (PHQ-9)
Délai: Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

A nine-item self-report measure to assess depressive symptoms according to DSM-IV criteria. PHQ-9 (Kroenke et al., 2001; Lamela et al., 2020) uses a 4-point Likert scale to rate how often one has experienced the described situation, from 0 (Never) to 3 (Almost every day). Scores vary from 0 to 27, with higher scores indicating higher levels of depressive symptoms.

Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up
WHOQOL-BREF
Délai: Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

A 26-item self-report measure with four domains (physical health, psychological health, social relationships and environment) to assess perceived quality of life. WHOQOL-BREF (The WHOQOL Group, 1998; Vaz Serra et al., 2006) uses a 5-point Likert scale, from 1 ("Very Poor", "Not at all" or "Very dissatisfied") to 5 ("Very good", "Completely", "Always" or "Very satisfied") to ask how one feels about their quality of life, health, or other areas of their life. Scores vary from 0 to 100, with higher scores indicating higher perceived quality of life.

Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

Mesures de résultats secondaires

Mesure des résultats
Description de la mesure
Délai
Self-Compassion Scale (SCS)
Délai: Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

A 26-item self-report measure with six subscales (Self-Kindness, self-judgment, common humanity, isolation, mindfulness, and over-identification) that assesses how one typically responds in difficult times in terms of self-compassion. SCS (Neff, 2003; Castilho & Pinto-Gouveia, 2015) uses a 5-point Likert scale to rate how often one does each behaviour described in each item, from 1 (Almost never) to 5 (Almost always). Higher scores indicate higher levels of self-compassion.

Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up
The Rathus Assertiveness Schedule (RAS)
Délai: Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

A 30-item self-report measure to assess assertive behaviour. RAS (Rathus, 1973; Detry & Castro, 1990) uses a 6-point Likert scale to rate how well each item describes the person, from 5 (Very much like me) to 0 (Very much unlike me). Scores vary from 0 to 30, with higher scores indicating higher assertiveness.

Pre-intervention (baseline), post-intervention (up to 8 weeks), and at the three-month follow-up

Autres mesures de résultats

Mesure des résultats
Description de la mesure
Délai
Alcohol Use Disorder Identification Test (AUDIT)
Délai: pre-intervention (baseline)

A 10-item self-report measure to screen for three areas (alcohol consumption, dependence symptoms and alcohol-related problems) of alcohol-use-related problems using a 5-point Likert scale. AUDIT (WHO, 1989) scores vary from 0 to 40, from 0 to 4, with higher scores indicating higher levels of alcohol-use-related problems.

pre-intervention (baseline)
Structure interview
Délai: pre-intervention (baseline)

An interview guide with 14 questions developed by the research team based on questions from Mini International Neuropsychiatric Interview (Sheehan et al., 1998)'s subscale for Suicide Ideation and DSM-5-TR criteria for Major Depressive Disorder with a dichotomous answer - No or Yes.

pre-intervention (baseline)

Collaborateurs et enquêteurs

C'est ici que vous trouverez les personnes et les organisations impliquées dans cette étude.

Parrainer

Collaborateurs

Publications et liens utiles

La personne responsable de la saisie des informations sur l'étude fournit volontairement ces publications. Il peut s'agir de tout ce qui concerne l'étude.

Publications générales

Dates d'enregistrement des études

Ces dates suivent la progression des dossiers d'étude et des soumissions de résultats sommaires à ClinicalTrials.gov. Les dossiers d'étude et les résultats rapportés sont examinés par la Bibliothèque nationale de médecine (NLM) pour s'assurer qu'ils répondent à des normes de contrôle de qualité spécifiques avant d'être publiés sur le site Web public.

Dates principales de l'étude

Début de l'étude (Estimé)

1 janvier 2027

Achèvement primaire (Estimé)

30 novembre 2027

Achèvement de l'étude (Estimé)

30 novembre 2027

Dates d'inscription aux études

Première soumission

3 novembre 2026

Première soumission répondant aux critères de contrôle qualité

6 novembre 2026

Première publication (Réel)

13 novembre 2026

Mises à jour des dossiers d'étude

Dernière mise à jour publiée (Réel)

13 novembre 2026

Dernière mise à jour soumise répondant aux critères de contrôle qualité

6 novembre 2026

Dernière vérification

1 novembre 2026

Plus d'information

Termes liés à cette étude

Autres numéros d'identification d'étude

  • 2024.00914.BD
  • 2024.00914.BD (Autre subvention/numéro de financement: Fundação para a Ciência e a Tecnologia)
  • https://doi.org/10.54499/2024. (Autre identifiant: Fundação para a Ciência e a Tecnologia)

Plan pour les données individuelles des participants (IPD)

Prévoyez-vous de partager les données individuelles des participants (DPI) ?

NON

Description du régime IPD

Study participants have not given consent for their individual data to be shared with other researchers.

Informations sur les médicaments et les dispositifs, documents d'étude

Étudie un produit pharmaceutique réglementé par la FDA américaine

Non

Étudie un produit d'appareil réglementé par la FDA américaine

Non

Ces informations ont été extraites directement du site Web clinicaltrials.gov sans aucune modification. Si vous avez des demandes de modification, de suppression ou de mise à jour des détails de votre étude, veuillez contacter register@clinicaltrials.gov. Dès qu'un changement est mis en œuvre sur clinicaltrials.gov, il sera également mis à jour automatiquement sur notre site Web .