E-Health and M-Health Approaches Have the Potential to Reach Large

Multiple Choice

E-health and M-health approaches have the potential to reach large numbers of people. When used to encourage physical activity systematic review and meta-analysis evidence of effectiveness suggests:

A) mixed results, but typically small, short-term benefits are observed
B) clear evidence for large, short-term benefits
C) effectiveness is better when only one platform or approach is used
D) effectiveness decreases with age of participants