Table 3

Factor analysis of engagement metrics during the first year

Metric	Weeks 1–16		Weeks 17–52		Weeks 1–52
Metric	Factor 1	Factor 2	Factor 1	Factor 2	Factor 1	Factor 2
Lessons completed	0.903	0.204	0.277	0.777	0.178	0.847
Weight tracked	0.814	0.232	0.098	0.854	0.189	0.831
Steps tracked	0.833	0.135	0.557	0.584	0.473	0.664
Coach conversations	0.444	0.434	–	–	–	–
Group conversations	0.263	0.875	0.847	0.290	0.854	0.303
Group posts liked	0.045	0.892	0.948	0.075	0.938	0.112
Log in sessions	0.335	0.807	0.714	0.523	0.718	0.514

Bold font indicates the highest loadings on each factor within each time window.