Table 2.

Centroids of daily behavior clusters (k=3) during the 4-week iEngage program.

Feature	Mean cluster 0: less active cluster (n=180)	Mean cluster 1: active cluster (n=229)	Mean cluster 2: very active cluster (n=37)	Mean overall (n=446)
Light-intensity activity, min	39	92	85	64
Moderate-intensity activity, min	5.30	16	57	14
Vigorous-intensity activity, min	2.30	4	52	7
Number of steps	7850	13,860	18,260	11,140
Over 11,000 steps	No	Yes	Yes	No