NCT06074939

Brief Summary

The goal of this observational study is to understand the burden and determinants of tobacco use and air pollution (AP) exposure among mid- to late adolescents in Greece, the Kyrgyz Republic, Pakistan, Romania, and Uganda. This context-specific knowledge will be crucial for selecting, adapting, and implementing preventive interventions in the next phase of the project. The main questions the investigators aim to answer are:

  • What is the perceived burden of tobacco use and AP exposure among adolescents?
  • What are the contextual drivers and behavioral determinants contributing to (prevention of) these risk factors?
  • How do the dynamics between stakeholders influence prevention efforts? In this study, data will be collected through interviews, focus group discussions, photovoice, document analysis, observations, personal exposure monitoring, and questionnaires.

Trial Health

35
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
1,750

participants targeted

Target at P75+ for all trials

Timeline
Completed

Started Oct 2023

Shorter than P25 for all trials

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 26, 2023

Completed
5 days until next milestone

Study Start

First participant enrolled

October 1, 2023

Completed
9 days until next milestone

First Posted

Study publicly available on registry

October 10, 2023

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2024

Completed
Last Updated

October 10, 2023

Status Verified

October 1, 2023

Enrollment Period

8 months

First QC Date

September 26, 2023

Last Update Submit

October 4, 2023

Conditions

Keywords

Implementation studiesMixed-methodsParticipatory research

Outcome Measures

Primary Outcomes (9)

  • Quantitative and qualitative evaluation of perceived clinical symptoms due to tobacco use and/or AP exposure

    1 day

  • Quantitative and qualitative evaluation and exploration of perceived psychological impact due to tobacco use and/or AP exposure

    1 day

  • Quantitative and qualitative evaluation and exploration of social factors relating to tobacco use and/or AP exposure

    1 day

  • Quantitative evaluation of the burden due to tobacco use and/or AP exposure by monitoring personal exposure to air borne particulates (PM 10, PM 2.5 and PM 1), temperature and relative humidity, using personal exposure (PE) monitors

    1 day

  • Qualitative evaluation and exploration of contextual drivers relevant to intervention implementation for prevention of tobacco and/or AP exposure, e.g. current strategies, local infrastructure and accessibility of resources.

    1 day

  • Qualitative evaluation and exploration of contextual drivers relevant to intervention implementation for prevention of tobacco and/or AP exposure, e.g. the influence of social media.

    1 day

  • Qualitative evaluation and exploration of contextual drivers relevant to intervention implementation for prevention of tobacco and/or AP exposure, e.g. the local socio-political climate, policy regulations and industry tactics.

    1 day

  • Qualitative evaluation and exploration of the relationship, power dynamics and (medical) hierarchies between adolescents, providers and other stakeholders.

    1 day

  • Quantitative and qualitative evaluation and exploration of determinants of behavior change in adolescents and providers relating to intervention implementation for prevention of tobacco and/or AP exposure.

    1 day

Eligibility Criteria

Age14 Years+
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

This study will be performed in Greece, Romania, the Kyrgyz Republic, Pakistan and Uganda. These countries all have a high NCD burden but differ largely in contextual factors like population size (from 6.7 million in the Kyrgyz Republic to 231 million in Pakistan), population age (median age of 15.9 years in Uganda, up to 44.7 years in Greece), income classification (low in Uganda, low-middle in Pakistan and the Kyrgyz Republic, and high in Greece and Romania) and life expectancy (62.9 years in Uganda to 81.1 years in Greece). All countries will have an urban area as starting point (for logistical reasons and due to high prevalence of the vast majority of risk factors in urban areas), with either a peri-urban or rural community as second investigation site. Genders will equally be included in the situational analysis.

You may qualify if:

  • Adolescents: mid- to late-adolescents (14 to 21 years) within the target population;
  • Family members: relatives in the first or second degree of (not necessarily participating) adolescents;
  • Providers: any relevant stakeholder that is connected to adolescents through profession (e.g. school teacher, youth worker) and/or providers of (public) healthcare;
  • Stakeholders: any relevant stakeholder with either a specific expertise, in-depth knowledge or overall overview on the subject, and in direct contact with the community (e.g. community member/leader, policy maker). Due to the community- and individual-level focus of this research, individuals associated with the tobacco industry are deliberately not included as stakeholders.

You may not qualify if:

  • \- People living outside the target area or not in direct contact with the target population.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Tobacco UseNoncommunicable Diseases

Condition Hierarchy (Ancestors)

BehaviorDisease AttributesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Rianne MJJ van der Kleij, PhD

    Leiden University Medical Center

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Rianne MJJ van der Kleij, PhD

CONTACT

Charlotte M Hoffman, MD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Principal Investigator

Study Record Dates

First Submitted

September 26, 2023

First Posted

October 10, 2023

Study Start

October 1, 2023

Primary Completion

June 1, 2024

Study Completion

June 1, 2024

Last Updated

October 10, 2023

Record last verified: 2023-10