Keyphrases
Physical Activity Intervention
100%
Mobile Elements
60%
Activity Tracker
57%
Ecological Momentary Intervention
50%
Chatbot
50%
Randomized Controlled Trial
46%
Computer-based
34%
Intervention Program
25%
Systematic Design
25%
Mobile-based
24%
Recruitment Strategies
20%
Attrition
20%
Prototype Development
20%
Low Socioeconomic Status
20%
Computer-based Intervention
18%
Physical Activity
14%
Electronic Health
14%
Moderate-to-vigorous
12%
Social Media
10%
Literature Search
9%
EHealth Design
8%
MHealth
8%
Evidence-based
8%
Reinforced
8%
Low-educated
7%
Health Condition
7%
Physical Activity Guidelines
6%
Recruitment Costs
6%
Invitation Letter
6%
Design Protocol
5%