Classroom air purifiers for reducing school absence: study protocol for a pragmatic, cluster-randomised, parallel, two-arm, group sequential superiority trial

Authors

Unni Gopinathan (ORCID: https://orcid.org/0000-0002-7145-1461)
Runar Barstad Solberg (ORCID: https://orcid.org/0000-0002-7300-1819)
Ingeborg Hess Elgersma (ORCID: https://orcid.org/0000-0002-3402-4049)
Arnfinn Helleve (ORCID: https://orcid.org/0000-0003-0650-6531)
Christopher Rose (ORCID: https://orcid.org/0000-0002-6123-7154)
Petter Elstrøm (ORCID: https://orcid.org/0000-0003-0778-2247)
Sverre Bjørn Holøs (ORCID: https://orcid.org/0000-0003-1405-8724)
Atle Fretheim

Institutions

Norwegian Institute of Public Health (NO)
SINTEF (NO)
OsloMet – Oslo Metropolitan University (NO)

Publication Details

Journal: BMJ Open
Published: 2025-12-01
DOI: https://doi.org/10.1136/bmjopen-2025-109659
Citations: 1
Primary Topic: Youth Substance Use and School Attendance
Type: article
Field-Weighted Citation Impact: 8.93

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article

Classroom air purifiers for reducing school absence: study protocol for a pragmatic, cluster-randomised, parallel, two-arm, group sequential superiority trial

Unni Gopinathan, Runar Barstad Solberg, Ingeborg Hess Elgersma, Arnfinn Helleve et al.

Dec 1, 2025

1 citations

BMJ Open

Youth Substance Use and School Attendance

8.93

article

Classroom air purifiers for reducing school absence: study protocol for a pragmatic, cluster-randomised, parallel, two-arm, group sequential superiority trial

Unni Gopinathan, Runar Barstad Solberg, Ingeborg Hess Elgersma, Arnfinn Helleve, Christopher Rose, Petter Elstrøm, Sverre Bjørn Holøs, Atle Fretheim

December 1, 2025article en

1 citations

Abstract

No abstract available for this paper.

BMJ OpenVol. 15(12)

Norwegian Institute of Public Health (NO), SINTEF (NO), OsloMet – Oslo Metropolitan University (NO)

Quality Education

Openalex Percentile: Top 2%

Youth Substance Use and School Attendance

8.93

DOI Open Access PDF OpenAlex

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