Table 5. Concerns that respondents have about SNS usage (N=753).

	Mean (SD)	Mean (SD)	U, p
Public perceptions of unprofessional behaviour on my part.	1.78 (0.694)	1.73 (0.640)	60634.0, 0.498
Family perceptions of unprofessional behaviour on my part.	1.58 (0.702)	1.52 (0.680)	59707.0, 0.287
Public perceptions of unprofessional behaviour by my colleagues.	1.83 (0.662)	1.66 (0.668)	53743.5, 0.001**
Public perceptions of my profession.	1.99 (0.711)	1.97 (0.714)	61401.5, 0.710
Violations of patient confidentiality.	2.28 (0.783)	2.23 (0.791)	60084.0, 0.378
Posting of inaccurate medical/dental information available to patients.	2.56 (0.643)	2.54 (0.661)	61840.5, 0.826

Ranging from “1 does not worry me at all” to “3 it worries me a lot”

** p<0.01