Objectives: This review aimed to synthesize the best available evidence concerning the effectiveness of electronic health, mindfulness-based interventions (eHealth-MBIs) on anxiety, depression, mindfulness and quality of life (QoL) among cancer patients/survivors.
Methods: Published and unpublished studies were retrieved from 10 electronic databases. Two independent authors screened and selected articles, extracted data using a standardized form and appraised the studies with the Cochrane risk of bias assessment tool. Meta-analyses were performed using a random-effect model with Review Manager (REVMAN). Standardized mean differences (SMDs) were used to determine intervention effects. Narrative syntheses were conducted for studies not suitable for meta-analyses. Heterogeneity was identified through I2 and chi-square statistics. Subgroup analyses were performed based on types of controls, age groups and gender. The Grading of Recommendations Assessment, Development and Evaluation approach was used to assess overall quality.
Results: In total, 18 studies were included. The eHealth-MBIs improved primary outcomes of anxiety (SMD = -0.28) and depression (SMD = -0.24), among cancer patients/survivors with small effect sizes. Effects for the secondary outcomes of QoL (SMD = 0.25) and mindfulness (SMD = 0.29) were observed at short-term follow-up assessments but not at post-intervention. Overall quality was rated as low for the primary and very low for the secondary outcomes.
Conclusion: The eHealth-MBIs can be offered as a cost-effective and accessible alternative for cancer patients and survivors in healthcare settings. Future research may further explore the effectiveness of eHealth-MBIs based on different types of MBIs, cancer types, modes of delivery and other outcomes such as stress and post-traumatic growth.
Keywords: Anxiety; cancer; depression; electronic health; meta-analysis; mindfulness intervention; quality of life, telehealth.