• Sofia Ryd, Gerth Persson, and Ronny Kent Gunnarsson.
• General Practice/Family Medicine, School of Public Health and Community Medicine, Institute of Medicine, the Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
• Scand J Prim Health Care. 2022 Mar 1; 40 (1): 129-138.

ObjectiveTo evaluate the one-year-effect of a single visit to a health coach on perceived health and exercise level in 50-year-old citizens.DesignOne factor design randomised controlled trial.SettingParticipants were randomly selected from the Swedish Population Register.Subjects50-year-old residents of the town of Alingsås, Sweden (n = 105).InterventionThe intervention group (n = 52) received a single one-hour visit to a health coach. The control group (n = 53) received no intervention.Main Outcome MeasuresChange over 12 months in the SF-36 dimensions physical functioning, role-physical, bodily pain, general health, vitality, social functioning, role-emotional, mental health, physical component summary and mental component summary. Reported health transition at follow-up. Change in exercise level.ResultsThe control group changed their perceived health more favourable than the intervention group in the following dimensions of the SF-36; general health (p = 0.0055-0.025), role-emotional (p = 0.034-0.040) and mental component summary (p = 0.033-0.073).ConclusionA single visit to a health coach does not improve perceived health or exercise-level in 50-year-old citizens. On the contrary it may make perceived health worse.Key pointsResearch on health coaching has emerged in the last 20 years, but is diverse and the characteristics of a successful health coaching intervention are still unknown.There is a lack of randomised controlled trials evaluating long-term effectiveness of health coaching.This randomised controlled trial concludes that a single visit to a health coach does not improve, but rather impairs, perceived health in 50-year olds.

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