Table 2.

Descriptive summary of objective website statisticsa

Characteristic		n	%	% of Average Steps >10,000/day	% of Step Log days above average	% of current users in January 2008
Team challenge (n = 348)
	Yes	211	60.6	45.5	23.2	17.5
	No	137	39.4	47.4	35	21.5
Individual challenge (n = 348)
	Yes	102	29.3	60.8	53.9	35.3
	No	246	70.7	40.2	17.1	12.2
Virtual walking buddy (n = 348)
	Yes	15	4	60	66.7	33.3
	No	333	95.7	45.6	26.1	18.3

^a Data show website engagement from June 2006 to May 2008.