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NAVO:J School-Based Group Intervention for Adolescent Mental Health

19 juni 2026 bijgewerkt door: Chang Hyung Hong, Ajou University School of Medicine

Effects of a School-Based Group Intervention Using the Digital Mental Health Platform NAVO:J on Adolescent Mental Health

The purpose of this study is to determine and verify whether a school-based group intervention using the digital mental health platform NAVO:J can effectively improve the mental health of adolescents-particularly reducing depression, anxiety, and stress while enhancing resilience.

Studie Overzicht

Toestand

Nog niet aan het werven

Conditie

Interventie / Behandeling

Gedetailleerde beschrijving

NAVO:J is a digital mental health platform designed to promote adolescent mental health.

The intervention will be conducted as a single-group pre-post design with students (N = 250 subjects) who apply for the Level 2-2 (group intervention) program.

The intervention period will be 17 weeks (17 sessions, once a week for about 40 minutes), with a mid-point evaluation at week 8 and a post-intervention evaluation at week 17.

Studietype

Ingrijpend

Inschrijving (Geschat)

250

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studiecontact

Studie Contact Back-up

Studie Locaties

  • Zuid -Korea
      • Suwon, Zuid -Korea, 16499
        • Ajou Medical University

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

  • Kind
  • Volwassen

Accepteert gezonde vrijwilligers

Ja

Beschrijving

Inclusion Criteria:

  • Students who apply for the group intervention program
  • Possession of an internet-enabled smartphone
  • Consent to study participation by both the participant and their legal guardian

Exclusion Criteria:

  • Inability to install or run "NAVO:J" on the participant's smartphone
  • Current participation in another interventional study
  • A medical condition severe enough to preclude the intervention or outcome assessment
  • Judged by the researcher to be unlikely to participate cooperatively through the end of the study

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Preventie
  • Toewijzing: NVT
  • Interventioneel model: Opdracht voor een enkele groep
  • Masker: Geen (open label)

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Experimenteel: NAVO:J Intervention Group
Participants in this single-arm group use the digital mental health platform NAVO:J for 17 weeks (17 sessions, once a week for approximately 40 minutes). Each session includes app-based activities such as recommended mental health videos, tailored self-care solutions, self-assessments, mind coaching, and diary entries. Mental health outcomes are assessed at baseline, mid-point (week 8), and post-intervention (week 17) using a single-group pre-post design.
Gedragsmatig: NAVO:J (digital mental health platform)
Participants use NAVO:J, a digital mental health platform developed for adolescents, delivered as a structured group intervention over 17 weeks (17 sessions, once weekly, approximately 40 minutes each). The platform provides algorithm-based recommended videos, 12 tailored "mind solutions" based on emotional-behavioral characteristics, self-assessments (personality, depression, anxiety, stress, self-esteem, smartphone use), expert-supported community features, mind coaching, growth tracking across 10 adolescent mental health indicators, and a mood diary. Sessions are facilitated weekly by trained researchers following a standardized manual.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Change in Depression (PHQ-9)
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
Depression is measured using the Korean version of the Patient Health Questionnaire-9 (PHQ-9), based on the DSM-IV criteria for major depressive disorder, assessing symptoms experienced over the past two weeks. The scale consists of 9 items rated on a 4-point Likert scale (score range: 0-27). Higher scores indicate more severe depressive symptoms. Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Resilience (CD-RISC-10)
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
Resilience is measured using the 10-item Connor-Davidson Resilience Scale (CD-RISC-10), a self-report measure of an individual's ability to recover and adapt under adversity or stress. Each item is rated on a 5-point Likert scale (score range: 0-40). Higher scores indicate greater resilience. Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Change in Maum-EASY Anxiety and Depression Problems
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
The Maum-EASY Test is a self-report screening tool developed to detect students' mental health problems early and prevent worsening. The anxiety and depression subscale measures the level of anxiety- and depression-related problems, with each item rated on a 4-point Likert scale (0-3). Higher scores indicate a greater likelihood of such problems (score range: 0-24). Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Maum-EASY Suicide and Crisis Problems
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
The suicide and crisis subscale of the Maum-EASY Test measures the level of serious risk symptoms such as suicidality and severe psychological problems, with each item rated on a 4-point Likert scale (0-3). Higher scores indicate a greater need for priority attention and intervention (score range: 0-18). Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Maum-EASY Externalizing Problems
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
The externalizing subscale of the Maum-EASY Test measures the level of outwardly expressed behavioral problems, with each item rated on a 4-point Likert scale (0-3). Higher scores indicate a greater likelihood of problems such as oppositional behavior, delinquency, and habitual lying (score range: 0-24). Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Maum-EASY Psychological Trauma Problems
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
The psychological trauma subscale of the Maum-EASY Test measures the presence of traumatic experiences and related problems, with each item rated on a 4-point Likert scale (0-3). Higher scores indicate a greater likelihood of problems such as intrusive memories, avoidance of others, and distrust of others (score range: 0-21). Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Maum-EASY School Life Adjustment
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
The school life adjustment subscale of the Maum-EASY Test measures difficulties related to school adjustment and reduced coping skills, with each item rated on a 4-point Likert scale (0-3). Higher scores indicate a greater likelihood of problems such as lack of confidence, maladaptive coping, and difficulty making friends (score range: 0-21). Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Subjective Mental Health (VAS)
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
Subjective mental health is measured using a self-report Visual Analog Scale (VAS) developed by the research team to multidimensionally assess adolescents' perceived mental health. It consists of 9 items, each rated on an 11-point scale from 0 (not at all) to 10 (very much). It is used as a supplementary measure of overall perceived mental health. Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Empathy Quotient (K-EQ)
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
Empathy is measured using the Korean version of the Empathy Quotient (K-EQ), which assesses multidimensional empathic ability across cognitive empathy, emotional empathy, and social skills. It consists of 17 items rated on a 4-point Likert scale (score range: 17-68). Higher scores indicate greater empathic ability. Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
Change in Grit (GRIT-S)
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
Grit is measured using the Short Grit Scale (GRIT-S), comprising two subfactors: consistency of effort and consistency of interest. It consists of 8 items rated on a 5-point Likert scale (score range: 6-30). Higher scores indicate greater grit. Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)

Andere uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Change in Big Five Personality Traits (BFI-K-10)
Tijdsspanne: Baseline, week 8 (mid-point), week 17 (post-intervention)
Personality is measured using a 15-item short form of the Big Five Inventory, comprising five subfactors: neuroticism, extraversion, openness, agreeableness, and conscientiousness. Each item is rated on a 5-point Likert scale from 1 (strongly disagree) to 5 (strongly agree) (score range: 15-75). Change is assessed by comparing scores at baseline, mid-point, and post-intervention.
Baseline, week 8 (mid-point), week 17 (post-intervention)
NAVO:J App Log Data (Adherence)
Tijdsspanne: Throughout the intervention period (week 1 to week 17)
Objective adherence is assessed using NAVO:J platform log data, including app access time and the scope of activities completed during the study period. This measure is used to verify participant compliance with the intervention.
Throughout the intervention period (week 1 to week 17)
Self-Reported Adherence Questionnaire
Tijdsspanne: Week 17 (post-intervention)
Subjective adherence is assessed using a self-report questionnaire on the number and duration of app sessions during the study period, administered at the post-intervention assessment.
Week 17 (post-intervention)
Smartphone App Satisfaction Questionnaire
Tijdsspanne: Week 17 (post-intervention)
App satisfaction is assessed using a self-report questionnaire evaluating ease of use, information reliability and quality, perceived improvement in mental health, and overall satisfaction, administered at the post-intervention assessment.
Week 17 (post-intervention)

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Sponsor

Ajou University School of Medicine

Onderzoekers

  • Hoofdonderzoeker: Chang Hyung Hong, Ajou Medical Center

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

24 juni 2026

Primaire voltooiing (Geschat)

31 december 2026

Studie voltooiing (Geschat)

1 mei 2027

Studieregistratiedata

Eerst ingediend

19 juni 2026

Eerst ingediend dat voldeed aan de QC-criteria

19 juni 2026

Eerst geplaatst (Werkelijk)

24 juni 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

24 juni 2026

Laatste update ingediend die voldeed aan QC-criteria

19 juni 2026

Laatst geverifieerd

1 juni 2026

Meer informatie

Termen gerelateerd aan deze studie

Aanvullende relevante MeSH-voorwaarden

Andere studie-ID-nummers

  • AJOUIRB-IV-2026-290

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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