[Impact of diffusion of the methodology of evidence-based nursing through Facebook]

Evaluate the impact of diffusion of the contents of the blog "Evidence-Based Nursing" through Facebook.

Cross-sectional study carried out via a web link to the online survey (previously tested) to a population of 2132 Facebook profiles that had a "friendship" with the profile studied. The survey had 8 items and a descriptive study of variables was conducted using SPSS 19.

75.9% of the sample has a Facebook profile of a personal character and 94.1% of cases are interested in evidence-based practices. 55.6% of the sample knows the blog, plus 46.5% answered that they read it occasionally, compared with 17.1% who does regularly and 35.7% who say they do not read it. Of all readers, 75.75% say they have improved their knowledge in terms of evidence-based practice after reading it. 88% said they did not follow the blog by other means or social network and in the case that they did, the most used are Google Reader, and Twitter Networked Blogs.

Reading the contents of this blog improve the knowledge about evidence-based practices of the "friends" of the social profile, as they themselves relate. The adequacy of the social profile as a dissemination tool is successful as it is necessary to investigate in depth the functioning of social networks.