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Table 1 Sources leading to full completion of survey (n* = 310)

From: Sampling 'hard-to-reach' populations in health research: yield from a study targeting Americans living in Canada

Source N (%)
Media 120 (38.7)
   Newspaper story    55 (17.7)
   Newspaper Advertisement    44 (14.2)
   TV interview    13 (4.2)
   Radio interview    8 (2.6)
Word of mouth 75 (24.9)
   Friends/family    38 (12.3)
   Work colleagues    21 (6.8)
   Internet surfing    16 (5.2)
Any Combination of media/word of mouth 86 (28.6)
Not sure/unknown 28 (9.0)
  1. * n = total number of participants with complete data to our question on source of information about the survey.