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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