Which characteristics of planning matter? Individual and dyadic physical activity plans and their effects on plan enactment

Jan Keller , Lena Fleig , Diana Hilda Hohl , Amelie U. Wiedemann , Silke Burkert , Aleksandra Łuszczyńska , Nina Knoll


Objective: Past research supports individual planning as an effective intervention strategy to increase physical activity in individuals. A similar strategy, dyadic planning, adds a planning partner who supports an individual's planning processes. Whether the two planning formats differ in terms of participants' entered plan content and whether and how different content characteristics are linked to plan enactment remains unknown. By investigating the content of generated plans, this study aimed at distinguishing plan characteristics of the two planning formats and examining their role as predictors of later plan enactment. Methods: Secondary analyses of a three-arm RCT with German couples (data collection between 2013 and 2015). Couples were assigned to an individual (IPC, n ¼ 114) or dyadic planning condition (DPC, n ¼ 111) and formulated up to 5 physical activity plans for a target person. Couples assigned to a control condition were not included as they did not generate plans. The following characteristics were distinguished and coded for each plan: number of planned opportunities, presence of a planned routine, planned cue- or activity-related specificity, activity-related intensity, and chronological plan rank. One week before (T0) and two weeks following (T2) the intervention (T1), increase vs. no increase of the planned activity was coded as a dichotomous plan enactment variable. Multilevel logistic regressions were fit. Results: Plan enactment was higher in dyadic than in individual planners. Findings indicated that routines (e.g., after work) were positively related to plan enactment, whereas a high specificity of when-cues (e.g., Friday at 6.30 p.m.) showed a negative relationship. None of the examined plan characteristics could explain differences in enactment between IPC and DPC. Conclusions: Linking health behaviours to other behavioural routines seems beneficial for subsequent plan enactment. Dyadic planning was linked with higher enactment rates than individual planning. However, as mechanisms underlying this effect remain unclear, they should be investigated further
Author Jan Keller
Jan Keller,,
, Lena Fleig
Lena Fleig,,
, Diana Hilda Hohl
Diana Hilda Hohl,,
, Amelie U. Wiedemann
Amelie U. Wiedemann,,
, Silke Burkert
Silke Burkert,,
, Aleksandra Łuszczyńska (Wydział Zamiejscowy we Wrocławiu)
Aleksandra Łuszczyńska,,
- Wydział Zamiejscowy we Wrocławiu
, Nina Knoll
Nina Knoll,,
Journal seriesSocial Science & Medicine, ISSN 0277-9536, (A 40 pkt)
Issue year2017
Publication size in sheets0.5
Keywords in EnglishImplementation intentions Action plans Dyadic planning Physical activity Plan enactment Routines Plan specificity
ASJC Classification1207 History and Philosophy of Science; 3306 Health(social science)
URL http://www.sciencedirect.com/science/article/pii/S0277953617304598
Languageen angielski
29. Keller et al 2017_Which characteristics of planning matter_Łuszczyńska.pdf 612.13 KB
Additional file
29a. Oświadczenie_publ Luszczynska sierpien 2017a.pdf 274.23 KB
Score (nominal)40
Score sourcejournalList
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2016 = 1.737; WoS Impact Factor: 2017 = 3.007 (2) - 2017=3.835 (5)
Citation count*22 (2021-03-07)
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