Evidence map›Paper›PMID 42509016›Full record

SynthesisEarly intervention in psychiatry2026

Assessing the Effectiveness, Adherence and Attrition of Smartphone-Based Mental Health Interventions in University Students: A Systematic Review and Meta-Analysis.

Maya Jabs, Matthew Thompson, Jake Linardon, Mariel Messer, Tracey D Wade

Abstract readSystematic ReviewMeta-Analysis
In one paragraph

Synthesis in Early intervention in psychiatry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Maya JabsFlinders University Institute for Mental Health and Wellbeing and Blackbird Initiative, Flinders University, Adelaide, South Australia, Australia.ORCID https://orcid.org/0009-0000-8369-1086
Matthew ThompsonFlinders University Institute for Mental Health and Wellbeing and Blackbird Initiative, Flinders University, Adelaide, South Australia, Australia.ORCID https://orcid.org/0009-0005-7311-5727
Jake LinardonSEED Lifespan Strategic Research Centre, Faculty of Health, School of Psychology, Deakin University, Geelong, Victoria, Australia.ORCID https://orcid.org/0000-0003-4475-7139
Mariel MesserSEED Lifespan Strategic Research Centre, Faculty of Health, School of Psychology, Deakin University, Geelong, Victoria, Australia.ORCID https://orcid.org/0000-0002-7186-7264
Tracey D WadeFlinders University Institute for Mental Health and Wellbeing and Blackbird Initiative, Flinders University, Adelaide, South Australia, Australia.ORCID https://orcid.org/0000-0003-4402-770X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMental health challenges are prevalent among university students, many of whom face barriers to accessing traditional psychological services. Smartphone-delivered mental health applications offer a scalable intervention option, but evidence regarding their effectiveness and engagement remains limited. This systematic review and multilevel meta-analysis examined clinical and engagement outcomes of app-based mental health interventions in university students.

methodMedline, PsycINFO, CINAHL, ProQuest Dissertations & Theses Global and Scopus were searched from inception to 27 October 2025 (initial search: 2 April 2025). Randomised controlled trials were synthesised using multilevel meta-analysis and non-randomised designs were narratively synthesised. Risk of bias was assessed using the Cochrane Risk of Bias tool. Outcomes included depression, anxiety, stress, well-being, disordered eating and body image, alongside attrition and adherence.

resultsA total of k = 122 studies were included. Interventions produced significant effects across all outcomes: anxiety (d = 0.22, 95% CI [0.14, 0.30]), depression (d = 0.25, 95% CI [0.16, 0.33]), stress (d = 0.28, 95% CI [0.19, 0.38]), well-being (d = 0.47, 95% CI [0.16, 0.78]), disordered eating (d = 0.29, 95% CI [0.06, 0.52]) and body image (d = 0.27, 95% CI [0.06, 0.48]). Substantial heterogeneity was observed for most outcomes. Attrition was moderate (17.0%, 95% CI [13.5, 21.2]) and adherence varied (70.0%, 95% CI [54.0, 82.0]). Personalization significantly moderated depression outcomes.

conclusionsApp-based interventions demonstrate small-to-moderate benefits for university student mental health, though heterogeneity and engagement challenges limit impact. Future research should prioritise personalised, transdiagnostic approaches and standardised engagement reporting, with greater focus on eating- and appearance-related outcomes.

Indexed as

Mental DisordersMobile ApplicationsPatient ComplianceSmartphoneStudentsHumansUniversitiesdigital mental healthdisordered eatingearly interventionengagementmeta‐analysissmartphone interventionsuniversity students

Identifiers

PMID42509016
PMCPMC13406923

What OpenQuestion holds

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LicenceCC BY-NC-ND
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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.