Can implementation intentions and text messages promote brisk walking? A randomized trial

Authors: Prestwich A, Perugini M, Hurling R
Journal: Health Psychology, 9(1), 40-49, 2010.

This study tested the efficacy in promoting brisk walking of two theory-based interventions that incorporate implementation intentions and text message (Short Message Service; SMS) reminders directed at one’s walking-related plans or goals. Participants (N = 149) were randomized to one of three conditions (implementation intention + SMS plan reminder, implementation intention + SMS goal reminder, control) before completing measures at baseline and follow-up 4 weeks later. Both intervention groups increased their brisk walking relative to the control group, without reducing other physical activity. The goal reminder group lost the most weight. The SMS plan reminder group recalled more of their plans than the SMS goal reminder group, but the latter were more successful in goal recall.

Keywords: Randomized Controlled Trial, Adults (18 or older), Community, Interventions: Individual, Lifestyle PA

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