Journal of Behavioral Medicine

, Volume 35, Issue 3, pp 305-317

First online:

The interplay of dyadic and individual planning of pelvic-floor exercise in prostate-cancer patients following radical prostatectomy

  • Silke BurkertAffiliated withInstitute of Medical Psychology, Charité, Universitätsmedizin Berlin Email author 
  • , Nina KnollAffiliated withInstitute of Medical Psychology, Charité, Universitätsmedizin BerlinFreie Universität Berlin
  • , Aleksandra LuszczynskaAffiliated withWarsaw School of Social Sciences and HumanitiesTrauma, Health, and Hazards Center, University of Colorado
  • , Oliver GrallaAffiliated withUrologie am Ring

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This study broadens the current understanding of the role of planning by focusing on the interplay between individual and dyadic planning (i.e. making plans about the target person’s behaviour together with a partner). Self-report data from N = 141 prostatectomy-patients and their partners were assessed at three times within 1 year post-surgery. Direct and indirect effects of dyadic and individual planning on patients’ pelvic-floor exercise (PFE) were tested. Proposed mediators were social support, social control, and action control. Cross-sectionally, the dyadic planning–PFE relationship was mediated by patients’ received support and partners’ provided social control. Longitudinally, mediators of dyadic planning were partners’ provided social control and support. Effects of individual planning on PFE were mediated by action control at baseline only. Also, at lower levels of individual planning, patients’ dyadic planning was more strongly associated with receipt of social control. Results underscore the importance of social factors in the planning process and its mechanisms in health-behaviour change.


Dyadic planning Social exchange processes Self-regulation Health-behaviour change Multiple mediation