The association between weight loss and engagement with a web-based food and exercise diary in a commercial weight loss programme: a retrospective analysis

Table 2 Engagement with the Nutracheck website among women and men

	Women (n = 2979)	Men (n = 642)	p<¹
Duration of programme use (days)	169.7 (183.2) 28-1284²	186.7 (192.6) 28-1071	.05
Days food diary used	67.0 (74.6) 1-767	76.1 (83.9) 1-938	.01
% of registered days food diary used	52.2 (32.2) 0-100	56.0 (33.5) 0-100	.05
Days exercise diary used	42.3 (55.1) 1-761	45.7 (59.9) 0-770	ns
% of registered days exercise diary used	34.0 (28.5) 0-100	35.0 (27.9) 0-100	ns
Use of online forum (number of messages posted)	26.2 (135.4) 0-3873	6.33 (38.4) 0-537	.001
Any use of online forum % (n)	34.7 (1035)	18.8 (121)	.001

¹Differences in continuous variables were tested with t-test and in categorical variables with χ² tests.
²Mean (standard deviation) range: unless otherwise stated.

ISSN: 1479-5868