Background Mobile health (mHealth) apps show vast potential in supporting patients and
health care systems with the increasing prevalence and economic costs of …

Abstract “Engagement” with digital behaviour change interventions (DBCIs) is considered
important for their effectiveness. Evaluating engagement is therefore a priority; however, a …

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Background Globally, mobile phones have achieved wide reach at an unprecedented rate,
and mobile phone apps have become increasingly prevalent among users. The number of …

Introduction: Recent observations have shown that lengthening the daily eating period may
contribute to the onset of chronic diseases. Time-restricted eating (TRE) is a diet that …

A diurnal rhythm of eating-fasting promotes health, but the eating pattern of humans is rarely
assessed. Using a mobile app, we monitored ingestion events in healthy adults with no shift …

Background Designing technologies that users will be interested in, start using, and keep
using has long been a challenge. In the health domain, the question of technology …

Background To our knowledge, no meta-analysis to date has assessed the efficacy of
mobile phone apps to promote weight loss and increase physical activity. Objective To …

Background Mobile apps for health exist in large numbers today, but oftentimes, consumers
do not continue to use them after a brief period of initial usage, are averse toward using …

Background In electronic health (eHealth) evaluations, there is increasing attention for
studying the actual usage of a technology in relation to the outcomes found, often by …