Can group-based reassuring information alter low back pain behavior? A cluster-randomized controlled trial

• Pernille Frederiksen ,

  Contributed equally to this work with: Pernille Frederiksen, Tom Bendix

  * E-mail: frederiksarbejde@outlook.dk

  Affiliations Copenhagen Center for Back Research (COPE BACK), Centre for Rheumatology and Spine Diseases, Glostrup, Denmark, Metropolitan University College, Copenhagen, Denmark, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

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• Aage Indahl ,

  ¶‡ These authors also contributed equally to this work

  Affiliations Uni Health, University of Bergen, Bergen, Norway, Department of Research and Development, Clinic Physical Medicine and Rehabilitation, Vestfold Hospital Trust, Stavern, Norway

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• Lars L. Andersen ,

  ¶‡ These authors also contributed equally to this work

  Affiliations National Research Centre for the Working Environment, Copenhagen, Denmark, Physical Activity and Human Performance group, Center for Sensory-Motor Interaction, Department of Health Science and Technology, Aalborg University, Aalborg, Denmark

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• Kim Burton ,

  ¶‡ These authors also contributed equally to this work

  Affiliation Centre for Applied Psychological and Health Research, University of Huddersfield, Huddersfield, United Kingdom

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• Rasmus Hertzum-Larsen,

  Affiliation Danish Cancer Society Research and Data, Copenhagen, Denmark

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• Tom Bendix

  Contributed equally to this work with: Pernille Frederiksen, Tom Bendix

  Affiliations Copenhagen Center for Back Research (COPE BACK), Centre for Rheumatology and Spine Diseases, Glostrup, Denmark, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark

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