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The main objective of the project is to make participants aware of their sedentary behavior (prolonged sitting behavior) and then to encourage behavioral change through the use of an innovative and fun application on a smartphone.
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Recent scientific research has shown that prolonged sitting, also called sedentary behavior may have adverse effects on health. An increased negative association was found with cardio-metabolic risk factors, type 2 diabetes and premature mortality.
The occurrence of these adverse health effects even appears to be independently of the degree of physical activity. There is more and more evidence to interrupt prolonged sitting regularly.
Until today there is still no international scientific standard that specifies how often the sitting behavior should be interrupted. Moreover, it is also unclear how long the breaks should take to counter adverse health effects. Only a few studies examined the health effects after an intervention that aimed to reduce the sitting behavior.
Currently, there is a great need for interventions in which one is made aware of the problem of sedentarity, but by which, one is equally encouraged changing behavior in the short as well as long term. In the proposed project the investigators therefore contribute to a good method to fight sedentary behavior in an innovative way. The investigators will try to achieve that goal through the development and implementation of an application on the smartphone.
Recent figures show that it is impossible to ignore the existence of the smartphone with all its applications. In 2011 40.4% of the Flemish people owned a smartphone. In the same year 650 000 smartphones were sold in Belgium. In 2012, according to projections this number should be increased by 250% to 1.625 000.
The smartphone is a very popular tool that can be used for the adoption of a healthy lifestyle. There are meanwhile a lot of sport and exercise apps that measure physical activity (eg Runkeeper Pro or Fitness Builder) and give more information around physical activity. Motion sensors, which are standard built-in in a smartphone, are often used for this purpose.
In the development of the app and the associated processes in this project, the principles of Self Determination Theory (SDT) are taken into account. This theoretical framework makes it possible to aim for a change in behavior in the short and in the long term.
During the development of the app, the investigators respect the sense of autonomy, competence and social connectedness of the user. Recent research showed already that applications which generate awareness and at regular intervals supply reminders, and this while autonomy and trust in their own competencies are respected, are effective in reducing sedentary behavior.
The effectiveness of the application will be investigated by means of a controlled intervention study. In this study, a control- and intervention group of 30 participants are included.
At the beginning of the project, both the intervention group and the control group will fill in some scientific questionnaires about sedentary behavior (pre-test).
After the 2nd week, both the control and the intervention group are invited and fill in the questionnaire (post-test). Data from the activity monitor are retrieved. Now the investigators can examine if sedentary behavior of the intervention group was significantly decreased by the use of the app, compared to the sedentary behavior of the control group. Moreover, the investigators will also examine whether the way of use of the app (cfr profile) has an effect on the result.
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60 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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