Background Well-designed mobile health (mHealth) interventions support a positive user
experience; however, a high rate of disengagement has been reported as a common …

Background High levels of sedentary behaviour (SB) are associated with negative health
consequences. Technology enhanced solutions such as mobile applications, activity …

Objectives This study aimed to identify studies on online health service use by people with
limited health literacy, as the findings could provide insights into how health literacy has …

This meta-analysis investigated the efficacy of text messaging-based health promotion
interventions. Nineteen randomized controlled trials conducted in 13 countries met inclusion …

Objective: To systematically investigate the extent and type of theory use in physical activity
and dietary interventions, as well as associations between extent and type of theory use with …

Increasing evidence suggests that public health and health-promotion interventions that are
based on social and behavioral science theories are more effective than those lacking a …

Background Due to easy access and low cost, Internet-delivered therapies offer an attractive
alternative to improving health. Although numerous websites contain health-related …

Message matching refers to the design and distribution of persuasive messages such that
message features (eg, the themes emphasized) align with characteristics of the target …

Background Interventions aimed at behavior change are increasingly being delivered over
the Internet. Although research on intervention effectiveness has been widely conducted …

Abstract eHealth, mHealth and “Web 2.0” social media strategies can effectively reach and
engage key populations in HIV prevention across the testing, treatment, and care continuum …