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Qualitative and quantitative research into the development and feasibility of a video-tailored physical activity intervention

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      Continued low adherence to physical activity recommendations illustrates the need to refine intervention strategies and increase their effectiveness. The purpose of this study was to conduct formative research related to the development of a next generation of computer-tailored interventions that use online tailored video-messages to increase physical activity.


      Five focus groups (n = 30), aimed at males and females, aged between 35 and 60 years, that do not meet the physical activity recommendation, were conducted to allow in-depth discussion of various elements related to the development of an online video-tailored intervention. In addition, a series of questions were delivered to a random sample (n = 1261) of Australians, using CATI survey technology, to gain more information and add a quantitative assessment of feasibility related to the development of the intervention. Focus group data was transcribed, and summarised using Nvivo software. Descriptive and frequency data of the survey was obtained using SPSS 18.0.


      Nearly all of the focus group participants supported the concept of a video-tailored intervention and 35.8% of survey participants indicated that they would prefer a video-based over a text-based intervention. Participants with a slow internet-connection displayed a lower preference for video-based advice (31.9%); however less than 20% of the survey sample indicated that downloading videos would be slow. The majority of focus group and survey participants did not support the idea of using mobile phones to receive this kind of intervention and indicated that video-tailored messages should be shorter than 5 minutes. Video-delivery of content is very rich in information, which increases the challenge to appropriately tailor content to participant characteristics; focus-group outcomes indicated a large diversity in participant preferences. 52.4% of survey participants indicated that the videos should be convincing and motivating.


      These results provide valuable information to develop an innovative video-tailored physical activity intervention. The results support the feasibility of such intervention, both in terms of users being ready to participate in it, as well as from a point of view whereby current internet infrastructure is able to cope with the demands of downloading videos. Though promising, a number of specific challenges in the development of these interventions were identified (e.g. the videos need to be short, made professionally, and tailor to a larger number of variables) and will need to be overcome in the development and evaluation of this new type of physical activity intervention.

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      Most cited references 38

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      How Many Interviews Are Enough?: An Experiment with Data Saturation and Variability

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        Men in the United States suffer more severe chronic conditions, have higher death rates for all 15 leading causes of death, and die nearly 7 yr younger than women. Health-related beliefs and behaviours are important contributors to these differences. Men in the United States are more likely than women to adopt beliefs and behaviours that increase their risks, and are less likely to engage in behaviours that are linked with health and longevity. In an attempt to explain these differences, this paper proposes a relational theory of men's health from a social constructionist and feminist perspective. It suggests that health-related beliefs and behaviours, like other social practices that women and men engage in, are a means for demonstrating femininities and masculinities. In examining constructions of masculinity and health within a relational context, this theory proposes that health behaviours are used in daily interactions in the social structuring of gender and power. It further proposes that the social practices that undermine men's health are often signifiers of masculinity and instruments that men use in the negotiation of social power and status. This paper explores how factors such as ethnicity, economic status, educational level, sexual orientation and social context influence the kind of masculinity that men construct and contribute to differential health risks among men in the United States. It also examines how masculinity and health are constructed in relation to femininities and to institutional structures, such as the health care system. Finally, it explores how social and institutional structures help to sustain and reproduce men's health risks and the social construction of men as the stronger sex.
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          Does tailoring matter? Meta-analytic review of tailored print health behavior change interventions.

          Although there is a large and growing literature on tailored print health behavior change interventions, it is currently not known if or to what extent tailoring works. The current study provides a meta-analytic review of this literature, with a primary focus on the effects of tailoring. A comprehensive search strategy yielded 57 studies that met inclusion criteria. Those studies-which contained a cumulative N = 58,454-were subsequently meta-analyzed. The sample size-weighted mean effect size of the effects of tailoring on health behavior change was found to be r = .074. Variables that were found to significantly moderate the effect included (a) type of comparison condition, (b) health behavior, (c) type of participant population (both type of recruitment and country of sample), (d) type of print material, (e) number of intervention contacts, (f) length of follow-up, (g) number and type of theoretical concepts tailored on, and (h) whether demographics and/or behavior were tailored on. Implications of these results are discussed and future directions for research on tailored health messages and interventions are offered. Copyright 2007 APA

            Author and article information

            [1 ]Centre for Physical Activity Studies, Institute for Health and Social Science Research, Central Queensland University, Building 18, Bruce Highway, Rockhampton, Queensland, Australia
            [2 ]Faculty of Physical Education and Recreation, University of Alberta, W1-34 Van Vliet Centre, Edmonton, Alberta, Canada
            Int J Behav Nutr Phys Act
            The International Journal of Behavioral Nutrition and Physical Activity
            BioMed Central
            1 July 2011
            : 8
            : 70
            Copyright ©2011 Vandelanotte and Mummery; licensee BioMed Central Ltd.

            This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


            Nutrition & Dietetics


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