{
  "abstract": "Background: Adolescence is a period of heightened emotional reactivity and vulnerability to mental health problems, during which well-being plays a central role in psychological adjustment. Beyond reflecting immediate experiences, momentary well-being has been linked to long-term outcomes such as depression and substance use. While social and geographic contexts are recognized determinants of adolescents’ mental health, their influence on momentary well-being remains unclear. We aimed to investigate these associations in a sample of French adolescents using real-time assessments.\n\nMethods: Participants were adolescents from the EXIST cohort, who agreed to participate in the Geographically-explicit Ecological Momentary Assessment (GEMA) sub-study. Over 10 days, participants received two SMS prompts daily linked to a short questionnaire, including the EMoWI (Ecological Momentary Well-being Instrument). Geolocation was recorded at each questionnaire completion. We used mixed-effects linear regression models to assess the associations between momentary contextual factors and well-being.\n\nResults: A total of 122 adolescents provided 1,236 observations. The median age was 13.4 years (IQR: 13.3-13.6). Being with friends or family was associated with higher momentary well-being compared to being alone, representing the largest observed effect size (adjusted Beta (95%CI) = 3.4 (1.0-5.9), and 3.1 (1.7-4.6), respectively). There was a trend suggestive of an association between momentary well-being and exposure to greenness within a 100m radius, estimated by satellite imagery. Girls and gender-diverse adolescents reported significantly lower levels of momentary well-being than boys.\n\nConclusions: Immediate social context seems critical in shaping adolescent momentary well-being. These findings emphasize the importance of fostering supportive social relationships and highlight the potential of GEMA to inform personalized, context-responsive mental health interventions in youth.\n\nKey messages: • Adolescent well-being fluctuates with social and geographic features of their environment.\n\n• Geographically-explicit Ecological Momentary Assessment can inform personalized and context-responsive mental health interventions.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": "abstract",
  "arxiv": null,
  "author_total": 8,
  "authors": [
    {
      "name": "M Buzzi"
    },
    {
      "name": "N Agrinier"
    },
    {
      "name": "B Lalloué"
    },
    {
      "name": "E Lequy"
    },
    {
      "name": "F Ligier"
    },
    {
      "name": "J O’L oughlin"
    },
    {
      "name": "Y Kestens"
    },
    {
      "name": "L Minary"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/625m2kkp489qq.bib",
  "cited_by": 0,
  "doi": "10.1093/eurpub/ckag169.1969",
  "fulltext_url": "https://pmc.ncbi.nlm.nih.gov/articles/PMC13698400/",
  "id": "625m2kkp489qq",
  "issns": [
    "1101-1262",
    "1464-360X"
  ],
  "landing_url": "https://doi.org/10.1093/eurpub/ckag169.1969",
  "language": "en",
  "licence": "CC-BY-NC-4.0",
  "licence_label": "CC BY-NC 4.0",
  "licence_source": "article",
  "licence_url": "https://creativecommons.org/licenses/by-nc/4.0/",
  "metadata_licence": null,
  "native_subjects": [
    [
      "heading",
      "6. Poster Displays"
    ],
    [
      "heading",
      "AcademicSubjects/MED00860"
    ],
    [
      "heading",
      "AcademicSubjects/SOC01210"
    ],
    [
      "heading",
      "AcademicSubjects/SOC02610"
    ],
    [
      "heading",
      "DX. Public mental health"
    ],
    [
      "openalex",
      "3205|Mental Health Research Topics"
    ]
  ],
  "openalex": "W7223699152",
  "pdf_url": "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13698400/pdf/?tool=EBI",
  "pmcid": "PMC13698400",
  "pmid": null,
  "published": "2026-10-01",
  "publisher": "Oxford University Press",
  "ris": "https://research.draconitic.com/paper/625m2kkp489qq.ris",
  "sources": [
    {
      "first_seen": "2026-10-30T12:19:17Z",
      "native_id": "PMC13698400",
      "source": "pmc",
      "url": "https://doi.org/10.1093/eurpub/ckag169.1969"
    },
    {
      "first_seen": "2026-10-30T12:21:25Z",
      "native_id": "PMC:PMC13698400",
      "source": "europepmc",
      "url": "https://europepmc.org/article/PMC/PMC13698400"
    }
  ],
  "subjects": [],
  "title": "Exploring youth momentary well-being using Geographically-explicit Ecological Momentary Assessment",
  "title_text": "Exploring youth momentary well-being using Geographically-explicit Ecological Momentary Assessment",
  "type": "peer-reviewed",
  "updated_at": "2026-10-30T12:35:16Z",
  "url": "https://research.draconitic.com/paper/625m2kkp489qq",
  "venue": "The European Journal of Public Health",
  "versions": []
}