Development and process evaluation of an internet-based physical activity behaviour change program.

Area of Science:

• Health behavior change
• Digital health interventions
• Website design and usability

Background:

• Limited research on website development for physical activity promotion.
• Need to evaluate different delivery modes for physical activity interventions.

Purpose of the Study:

• Describe the design and process evaluation of a physical activity intervention.
• Examine the effectiveness of face-to-face, internet-mediated, and internet-only delivery modes.

Main Methods:

• Randomized trial (RT) with evaluation surveys (n=159) and focus group discussions (n=23).
• Statistical analysis included ANOVA and t-tests, alongside qualitative analysis.

Main Results:

• Face-to-face participants reported higher satisfaction than internet groups.
• Internet groups appreciated self-paced website access but faced time/motivation challenges.
• No differences in content acceptability or credibility; high usability scores for internet groups.

Conclusions:

• Internet interventions are viable for content satisfaction and usability.
• Acceptability of internet-based programs may be lower when face-to-face options exist.
• Further work needed to enhance user motivation, engagement, retention, and overall acceptability.