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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.