Publisher’s note
All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article, or claim that may be made by its manufacturer, is not guaranteed or endorsed by the publisher.The authors thank the personnel at Health and Social Service Centre of Sipoo for planning the intervention, recruiting participants and being part of the study. Chief physician Anna Peitola helped making the study possible. Marko Leppänen paid an important part in planning and conducting the nature intervention. Elsi Haverinen and Hanna Elonheimo helped in managing the accelerometers and analyzing their data.