Fitness Apps & Wearables: Do They Make Kids Healthier?

Okay, here’s a breakdown of the abbreviations used in the provided text, along with their meanings:

* SMS: Short Message Service (text messaging)
* eHealth: Electronic health (generally refers to health support using electronic means)
* mHealth: Mobile Health (health support using mobile devices)
* AMSTAR-2: A Measurement Tool to Assess Systematic reviews-2 (a quality assessment tool for systematic reviews)
* SMD: Standardized Mean Difference (a statistical measure of the difference between two groups)
* MD: Mean Difference (a statistical measure of the average difference between two groups)
* I: Heterogeneity (a statistical measure of the variability between studies)
* CCA: Corrected Covered Area (a measure of overlap between trials across reviews)
* MVPA: Moderate-to-Vigorous Physical Activity
* BMI: body Mass Index
* AMSTAR-2: A Measurement Tool to Assess Systematic Reviews-2 (repeated, for emphasis in the conclusion)

Key Takeaways about the abbreviations in this context:

* The text heavily relies on statistical abbreviations (SMD, MD, I) to summarize the research findings.
* It uses AMSTAR-2 to indicate the quality of the systematic reviews being analyzed.
* It uses SMS, eHealth, and mHealth to categorize the types of digital interventions studied.
* MVPA and BMI are key health metrics being measured.