Abstract Theory-based, efficacious, long-term, completely Internet-based interventions are
needed to induce favorable shifts in health behaviors and prevent weight gain. To assess …

Objective To evaluate the motivational effect of the Project WebHealth study procedures and
intervention components on weight-related health behavior changes in male and female …

Background: Web-based behavioral programs efficiently disseminate health information to a
broad population, and online tailoring may increase their effectiveness. While the number of …

Background Physical inactivity levels are unacceptably high and effective interventions that
can increase physical activity in large populations at low cost are urgently needed. Web …

Background People have different preferences on how health behaviour change
interventions are delivered to them; intervention implementation, retention and effectiveness …

A web-based tool was developed and piloted by being made available to healthcare staff in
Wales from September 2012 to March 2013. This evaluation included two primary outcome …

Background Physical inactivity is associated with health risks, contributing to various
diseases and all-cause mortality. Despite recommendations for regular physical activity …

Background: Web-based physical activity interventions that apply computer tailoring have
shown to improve engagement and behavioral outcomes but provide limited accountability …

Background: The Internet is a trusted source of health information for growing majorities of
Web users. The promise of online health interventions will be realized with the development …

Background: Published research on the use of Web-based behavior change programs is
growing rapidly. One of the observations characterized as problematic in these studies is …