Lewis, Amanda Louise (2011)
Ph.D. thesis, University of Birmingham.
Point-of-choice prompts consistently increase stair climbing in public access settings. Comparison of message content, however, is rare. Chapter two reports that, after controlling for the effects of traffic, similar effects on stair climbing were evident for a more specific and a simpler heart-health message. Chapters three to five demonstrate that specific, calorific expenditure messages were associated with significantly increased stair climbing in public access and workplace settings, with greater increases in overweight than normal weight individuals (chapter four).
Chapter three investigated the single and combined effects of volitional and motivational intervention components, in a tram station, to test the theory underpinning the success of point-of-choice prompts. Both components positioned simultaneously were required to increase stair climbing where choosing the stairs resulted in a time delay for pedestrians due to the site layout. Similarly, a motivational intervention alone did not increase stair climbing in the workplace (chapter five). When supplemented with a volitional, point-of-choice prompt at the time the choice of ascent method is made, a significant increase in stair climbing occurred.
Analysis should adjust for potential moderating effects of pedestrian traffic, time of day, demographics and building characteristics; failure to do so may mask the true impact of the intervention.
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