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Table 4 Respondent willingness to participate in clinical trials (N = 1,515)

From: Factors associated with willingness to participate in clinical trials: a nationwide survey study

Variable   n (%) x 2 p
Gender Male 204/753 (27.1) 3.665 .056a
  Female 174/762 (22.8)   
Age (years) 19~29 64/295 (21.7) 1.205 .272b
  30’s 89/375 (23.7)   
  40’s 114/411 (27.7)   
  50’s 68/250 (27.2)   
  ≥60 43/184 (23.4)   
Education ≤ High school 240/958 (25.1) 0.014 .905a
  ≥ College 138/557 (24.8)   
Resident areas Large city 190/720 (26.4) 3.161 .075b
  Small city 155/623 (24.9)   
  Rural area 33/172 (19.2)   
Household income <2,000 89/347 (25.6) 0.213 .644b
(1,000 won/month) 2,000  2,999 109/406 (26.8)   
  3,000  3,999 79/353 (22.4)   
  ≥4,000 97/390 (24.9)   
Living style Alone 26/76 (32.9) 2.834 .092a
  With family 351/1433 (24.5)   
Perception on ultimate beneficiary of CT Pharmaceutical company 85/463 (18.4) 18.473 <.001a
Hospital or physician 30/136 (22.1)   
Patients 195/678 (28.8)   
Advances in medicine 68/236 (28.8)   
Experience of CT participation No 302/1114 (27.1) 4.131 .042a
Yes 11/24 (45.8)   
Awareness of CT No 65/377 (17.2) 15.929 <.001a
  Yes 313/1138 (27.5)   
Favorable feeling toward CT Low 25/327 (7.6) 157.311 <.001b
  Moderate 128/680 (18.8)   
  High 225/508 (44.3)   
Safety toward CT Low 28/410 (6.8) 240.003 <.001b
  Moderate 189/848 (22.3)   
  High 161/257 (62.6)   
Necessity toward CT Low 2/87 (2.3) 63.434 <.001b
  Moderate 52/366 (14.2)   
  High 324/1062 (30.5)   
  1. aPearson x2. bLinear-by-linear association.