OBJECTIVE: To better understand the mixed findings regarding the efficacy of Internet-
based physical activity interventions, we examined the use and usefulness of particular …

Background: Web-based interventions are popular for promoting healthy lifestyles such as
physical activity. However, little is known about user characteristics, adherence, attrition, and …

OBJECTIVES: Limited research exists addressing issues of website development and
attitudes towards websites that promote physical activity. This paper describes the design …

Background: The translation of Web-based physical activity intervention research into the
real world is lacking and becoming increasingly important. Objective: To compare usage …

Background. Websites have the potential to deliver enhanced versions of targeted and
tailored physical activity programs to large numbers of participants. We describe participant …

Background It has been shown that physical activity is more likely to increase if web-based
interventions apply evidence-based components (eg self-monitoring) and incorporate …

Background: Effectiveness of and engagement with website-delivered physical activity
interventions is moderate at best. Increased exposure to Internet interventions is reported to …

Background Many people in Western countries do not follow public health physical activity
(PA) recommendations. Web-based interventions provide cost-and time-efficient means of …

Background. The goal of the present study was to examine participants' perceptions of a
theory-driven, physical activity promotion website. Methods. Participants in the present study …

Background: Nowadays people are extensively encouraged to become more physically
active. The Internet has been brought forward as an effective tool to change physical activity …