310
Participants
Start Date
April 30, 2012
Primary Completion Date
August 31, 2013
Study Completion Date
December 31, 2014
Social-cognitive resource intervention
Intervention group that receives a behavior change technique intervention to increase volitional strategies and physical activity.
Social-cognitive resource intervention
Active control group that receives a behavior change technique intervention to increase volitional strategies and volunteering.
no intervention
Passive control group that receives no intervention until the 8.5 months follow-up. Subsequently, they receive the information by mail the active groups received within the intervention.
German Centre of Gerontology, Berlin
German Federal Ministry of Education and Research
OTHER_GOV
Freie Universität Berlin
OTHER
German Centre of Gerontology
OTHER_GOV