Published on in Vol 7, No 3 (2019): March
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/12181, first published
.
![Efficacy of a Mobile Social Networking Intervention in Promoting Physical Activity: Quasi-Experimental Study Efficacy of a Mobile Social Networking Intervention in Promoting Physical Activity: Quasi-Experimental Study](https://asset.jmir.pub/assets/ea2df363ae0f5ef08ee6a3eb5c62a6c9.png 480w,https://asset.jmir.pub/assets/ea2df363ae0f5ef08ee6a3eb5c62a6c9.png 960w,https://asset.jmir.pub/assets/ea2df363ae0f5ef08ee6a3eb5c62a6c9.png 1920w,https://asset.jmir.pub/assets/ea2df363ae0f5ef08ee6a3eb5c62a6c9.png 2500w)
1 Centre for Health Informatics, Australian Institute of Health Innovation, Macquarie University, Sydney, Australia