Testing self-regulation interventions to increase walking using factorial randomized N-of-1 trials.

Health Psychology : Official Journal of the Division of Health Psychology, American Psychological Association
Falko F SniehottaVera Araújo-Soares

Abstract

To investigate the suitability of N-of-1 randomized controlled trials (RCTs) as a means of testing the effectiveness of behavior change techniques based on self-regulation theory (goal setting and self-monitoring) for promoting walking in healthy adult volunteers. A series of N-of-1 RCTs in 10 normal and overweight adults ages 19-67 (M = 36.9 years). We randomly allocated 60 days within each individual to text message-prompted daily goal-setting and/or self-monitoring interventions in accordance with a 2 (step-count goal prompt vs. alternative goal prompt) × 2 (self-monitoring: open vs. blinded Omron-HJ-113-E pedometer) factorial design. Aggregated data were analyzed using random intercept multilevel models. Single cases were analyzed individually. The primary outcome was daily pedometer step counts over 60 days. Single-case analyses showed that 4 participants significantly increased walking: 2 on self-monitoring days and 2 on goal-setting days, compared with control days. Six participants did not benefit from the interventions. In aggregated analyses, mean step counts were higher on goal-setting days (8,499.9 vs. 7,956.3) and on self-monitoring days (8,630.3 vs. 7,825.9). Multilevel analyses showed a significant effect of the ...Continue Reading

Citations

Jun 4, 2013·British Journal of Health Psychology·Derek W Johnston, Marie Johnston
Mar 6, 2015·Health Psychology Review·Falko F SniehottaVera Araújo-Soares
Jan 3, 2015·Psychology & Health·Urte ScholzMike Martin
Mar 30, 2018·Journal of Clinical Psychopharmacology·Ian M KronishKarina W Davidson
Oct 11, 2017·Psychology & Health·Erin E BrannonLarry L Mullins
Jan 11, 2019·Health Psychology Review·Dominika KwasnickaFelix Naughton
Feb 21, 2019·Health Marketing Quarterly·Mohammad A KadirSharyn Rundle-Thiele
Aug 21, 2018·Annals of Behavioral Medicine : a Publication of the Society of Behavioral Medicine·Jonathan A ShafferKarina W Davidson
Jul 25, 2020·JMIR Formative Research·Nathalie M BerningerRobert A C Ruiter
Jul 9, 2021·The International Journal of Behavioral Nutrition and Physical Activity·L DegrooteG Crombez

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