Effectiveness of digital technology interventions to reduce loneliness in adults: a protocol for a systematic review and meta-analysis

INTRODUCTION: Loneliness is an emerging public health problem that is associated with social, emotional, mental and physical health issues. The application of digital technology (DT) interventions to reduce loneliness has significantly increased in the recent years. The effectiveness of DT interventions needs to be assessed systematically. METHODS AND ANALYSIS: Aim: To undertake a systematic review and meta-analysis on the effectiveness of DT interventions to reduce loneliness among adults. DESIGN: Systematic review and meta-analysis. DATA SOURCES: PubMed, Medline, CINAHL, EMBASE and Web of Science.Publication period: 1 January 2010 to 31 July 2019. INCLUSION CRITERIA: and Cochran's Q statistics and publication bias checked with funnel plots and the Egger's test. ETHICS AND DISSEMINATION: Ethics approval was not required for this protocol. The findings will be disseminated through journal articles and conference presentations. PROSPERO REGISTRATION NUMBER: CRD42019131524.