mHealth

Background

• > 84% U.S. own home PC
• 73% have broadband connection
• ~40% Internet penetration worldwide
• Asia (50.2%), Europe (16.7%)

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• Today (2017): 95% of US adults use a mobile phone regularly (77% smartphones)
• In 2007, Apple launched the iPhone; 2008 Android launched 
• In 2008, 3rd party app development  & distribution began 
• As of June 2016: 2M Apple Apps & >100 Billion downloads

Need for Speed

The Excitement

Research methodology

• Randomized Controlled Trial (RCT)
• Survey/Self-Report Methodology 
• Ecological Momentary Assessment (EMA) and EMI
• What is "representative design"?
• Bottom line: Research Question should drive the method!

DIY

Overall Evidence - Kaplan & Stone (2013)

• Obesity/Weight Loss?
• Diabetes Management?
• Smoking Cessation?
• HIV Treatment & Prevention?
• 55% failed to show clear benefit; 15% mixed

What about Apps?