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myst [2019/09/13 09:52]
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myst [2020/02/24 17:31] (current)
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 ====== Mind Your Step (MYST) ====== ====== Mind Your Step (MYST) ======
  
-Mind Your Step is one of Lifelines'​ [[additional assessments]].\\ ​+Mind Your Step is one of [[start|Lifelines]]' [[additional assessments]].\\ ​
 This assessment was a collaboration between Lifelines and the [[https://​www.hanze.nl/​eng|Hanze University of Applied sciences]], Research group [[https://​www.hanze.nl/​eng/​research/​strategic-themes/​healthy-ageing|Healthy Ageing]].\\ This assessment was a collaboration between Lifelines and the [[https://​www.hanze.nl/​eng|Hanze University of Applied sciences]], Research group [[https://​www.hanze.nl/​eng/​research/​strategic-themes/​healthy-ageing|Healthy Ageing]].\\
-The goal of the assessment was to gain insight in determinants related to the adoption of [[https://​en.wikipedia.org/​wiki/​Quantified_self|quantified self]]-devices ​(a digital weight scale and activity tracker) and potentially ​behavior ​change/ ​change in body weight.\\ +The first goal of the assessment was to gain insight in determinants related to the adoption of two [[https://​en.wikipedia.org/​wiki/​Quantified_self|quantified self]]-devicesa digital weight scale and an activity tracker ​which could also measure sleeping ​behavior.\\ 
 +The second goal was to assess to what extent a change in self-regulation capabilities can explain ​weight ​loss after 4 and 12 months of self-tracking.\\
  
 ===== Protocol ===== ===== Protocol =====
  
 The project took place between April 2016 and April 2017.\\ The project took place between April 2016 and April 2017.\\
-Participants ​between ​25-65 years old were invited to use a digital weight scale and an activity tracker.  +Participants ​(>25 years oldwere invited to use a digital weight scale and an activity tracker.  
-The devices were connected to a smartphone application,​ in which the user could see his or her own data.\\ +The devices were connected to a smartphone application,​ in which the user could see his or her own data and changes in these data over time.\\ 
-Each participants participated in the study for one year. All participants ​filled out one questionnaire ​with regard to different ​determinants (like self-regulationand one about motivation towards self-tracking.\\  +All of the participants participated in the study for one year. They filled out a digital ​questionnaire ​at the beginning of the study, after 4 months, and after 12 months. One questionnaire included possible ​determinants ​for adoption and effect of self-tracking devices ​(like personal variables, ​self-regulation ​for health, ​and motivation towards self-tracking). \\  
-In addition, ​they were asked to fill out an evaluation questionnaire about the usage and experience with the devices.+In addition, ​participants ​were asked to fill out an evaluation questionnaire about the usage, effect, ​and experience with the devices.
  
 There was a restriction on number of participants because there were 100 activity trackers available. ​ There was a restriction on number of participants because there were 100 activity trackers available. ​
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   * 77% (n=73) completed T1 questionnaire (after 4 months)   * 77% (n=73) completed T1 questionnaire (after 4 months)
   * 62% (n=46) completed T2 evaluation questionnaire (after 12 months)   * 62% (n=46) completed T2 evaluation questionnaire (after 12 months)
 +
 +===== Variables =====
 +
 +The questionnaires included questions about intention to start with self-tracking,​ and intention to change weight, sleeping behavior and physical activity behavior. In addition, attitude, self-efficacy and social norm towards self-tracking,​ [[self-regulation]] for health and [[subjective health (general)|perceived health]] were measured.\\ ​
 +Weight and self-weighing frequency were calculated using the weight self-measurements the participants conducted.\\ ​
 +After 4 and 12 months of self-tracking,​ the participants filled out an evaluation questionnaire in which they could indicate their experiences with the devices, and whether they had changed their physical activity behavior and eating habits.\\ ​
 +
 +===== Findings =====
 + 
 +Most participants were satisfied with the self-tracking devices, although the usage of the devices declined over time. Usage of the weight scale stabilized after 3 months of self-tracking.\\ ​
 +The Pulse activity tracker gave some technical problems, like a short battery life, and was therefore replaced until 6 months after the start of the study in at least 30 participants. Thereafter, no replacement was possible due to a restricted availability of the tracker.\\ ​
 +About 40% of the participants indicated to have changed their eating habits, and 60% indicated to have increased their physical activity behavior.\\ ​
 +On average, the participants lost 2 kg after 4 months, which was remained after 12 months. An increase in self-regulation capabilities (goal-orientation after 4 months and decision-making after 12 months) explained this weight loss, next to intention to change weight and self-weighing frequency.\\ ​
 +
 +===== Publications using MYST data =====
 +  * Kooijman, TJM et al. (2020) The role of self-regulation in the effect of self-tracking of physical activity and weight on BMI. Journal of Technology in Behavioral Science (in press).
  
  
myst.1568361150.txt.gz · Last modified: 2019/11/07 16:07 (external edit)