Figure 2From: Psychophysiological effects of a web-based stress management system: A prospective, randomized controlled intervention study of IT and media workers [ISRCTN54254861] Website login frequency. This figure illustrates the number of logins on the website made by the intervention group (median 48 logins) and reference group (median 26 logins) respectively, during the study period of six months (p < .0001, 2-tailed).Back to article page