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Table 1 Survey methods and demographic profiles of the 2011 survey and the 2014 survey

From: Changes in trust and the use of Korean medicine in South Korea: a comparison of surveys in 2011 and 2014

  2011 survey Reference [11] 2014 survey
Survey methods
 No. of questionnaire items 18 questions 20 questions (2 questions were added)
 Data collection method Online Online
 Sample size 1000 1000
Demographics
 Gender
  Male 499 498
  Female 501 502
 Age (yr)
  20–29 207 190
  30–39 237 222
  40–49 231 236
  50–59 206 221
  60–69 119 131
 Region of residence
  Seoul 541 538
  Daejeon 79 77
  Daegu 125 128
  Busan 182 186
  Gwangju 73 71