Document Type : Original Article
Authors
1 Departments of Health Education and Promotion and Biostatistics and Epidemiology, School of Health, Isfahan University of Medical Sciences
2 Department of General Courses, School of Management and Medical Information Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
Abstract
INTRODUCTION: The present study aims at designing and evaluating the effect of new educational
media‑based educational intervention on students’ stages of behavior change of physical activity.
SUBJECTS AND METHODS: In the present interventional study, 225 students of medical sciences
university were assigned into two experimental and one control groups using proportional stratified
random sampling, where web‑based and software‑based educational interventions were used. Data
were collected using International Physical Activity Questionnaire, Marcus’s stages of change scales,
and a self‑made questionnaire including constructs of barriers, benefits, and self‑efficacy. Evaluation
was conducted through pretest and posttest and immediate and 2 and 6 months of follow‑ups after
the intervention. Data were analyzed by SPSS software using descriptive statistics and Chi‑square,
Friedman, one‑way ANOVA, and ANOVA with repeated measure.
RESULTS: Based on the results, there was no significant difference between the experimental and
control groups before the intervention (P = 0.37); however, immediately and 2 and 6 months after
the intervention, there was a significant difference between the experimental and control groups
in terms of stages of change (P < 0.001). Furthermore, in the experimental group, the educational
intervention led to improvement of individuals in the stages of change of physical activity. At 6‑month
follow‑up, 75.4% of the software group and 60.6% of the web group achieved the maintenance stage.
CONCLUSION: The results suggest that designing intervention based on people’s level of preparation
for changing behavior and using new educational methods such as web and software were effective
on individuals’ progress in different stages of change of physical activity behavior and physical
activity rate.
Keywords
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