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Impacto de uma intervenção digital no stress percebido: Papel mediador da atividade física
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Advisor(s)
Abstract(s)
O stress foi considerado pela Organização Mundial de Saúde como sendo a “epidemia do
século XXI”. É imprescindível adotar estratégias para reduzir este impacto. A prática de atividade física
tem um efeito positivo nos níveis de saúde mental. Com a ascensão das tecnologias e a possibilidade
de intervenções que as utilizem, será interessante aprofundar esta área.
O presente estudo procurou perceber o papel medidor da atividade física no impacto de uma
intervenção digital no Stress Percebido. O estudo utilizou dados do estudo NoHoW durante seis meses
de intervenção. A amostra contou com 924 participantes (idade M = 44,8; DP = 11,81) de três países,
Portugal, Reino Unido e Dinamarca. Cada participante recebeu equipamentos eletrónicos e conteúdos
psicoeducativos específicos disponibilizados pelo projeto NoHoW com intuito de promover um estilo
de vida mais ativo. Como medidas de avaliação foi utilizada a Escala de Stress Percebido e o
Questionário Internacional de Atividade Física.
Foi realizada uma análise de mediação entre as três variáveis. Relativamente ao efeito total do
modelo identificou-se um efeito estatisticamente significativo (β = -.0868 ; p = 0.0083). No entanto,
no que concerne ao efeito indireto do modelo, a mediação entre a utilização da aplicação, a atividade
fíisca e o stress percebido, não foi observado um efeito estatisticamente significativo (β = .0013 ; IC
=[ -.0057 ; .0088]).
É assim importante perceber que otimizações se pode fazer às intervenções digitais para serem
mais eficazes na promoção da atividade física e também demonstrar uma maior eficácia na redução do
stress percebido.
ABSTRACT: The World Health Organization has considered stress to be the "epidemic of the 21st century". It is essential to adopt strategies to reduce its impact. Physical activity has a positive effect on mental health levels. So, with the rise of technology and the possibility of interventions that utilize it, it will be interesting to delve deeper into this area. This study sought to understand the impact of a digital intervention on perceived stress mediated by levels of physical activity. The study used data previously collected by the NoHoW study during a six-month intervention. The sample included 924 participants (Age M = 44.8; SD = 11.81) from three countries, Portugal, the United Kingdom and Denmark. Each participant was provided with electronic equipment and specific content made available by the NoHoW project. The Perceived Stress Scale and the short version of the International Physical Activity Questionnaire were used as assessment measures. A mediation analysis was carried out between the three variables. With regard to the total effect of the model, a statistically significant effect was identified (β = -.0868; p = 0.0083). However, with regard to the indirect effect of the model, the mediation between the use of the app, physical activity and perceived stress, there was no statistically significant effect (β = .0013; CI = [ -.0057; .0088]). It is important to understand what optimizations can be made to digital interventions so that they are more effective in promoting physical activity and also demonstrate greater effectiveness in reducing perceived stress.
ABSTRACT: The World Health Organization has considered stress to be the "epidemic of the 21st century". It is essential to adopt strategies to reduce its impact. Physical activity has a positive effect on mental health levels. So, with the rise of technology and the possibility of interventions that utilize it, it will be interesting to delve deeper into this area. This study sought to understand the impact of a digital intervention on perceived stress mediated by levels of physical activity. The study used data previously collected by the NoHoW study during a six-month intervention. The sample included 924 participants (Age M = 44.8; SD = 11.81) from three countries, Portugal, the United Kingdom and Denmark. Each participant was provided with electronic equipment and specific content made available by the NoHoW project. The Perceived Stress Scale and the short version of the International Physical Activity Questionnaire were used as assessment measures. A mediation analysis was carried out between the three variables. With regard to the total effect of the model, a statistically significant effect was identified (β = -.0868; p = 0.0083). However, with regard to the indirect effect of the model, the mediation between the use of the app, physical activity and perceived stress, there was no statistically significant effect (β = .0013; CI = [ -.0057; .0088]). It is important to understand what optimizations can be made to digital interventions so that they are more effective in promoting physical activity and also demonstrate greater effectiveness in reducing perceived stress.
Description
Dissertação de Mestrado apresentada no ISPA –
Instituto Universitário para a obtenção de
grau de Mestre na especialidade de Mestre
em Psicologia Clínica
Keywords
Atividade Fí Sica Stress percebido NoHoW Intervenções digitais Physical activity Perceived stress NoHoW Digital intervention