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Table 1 Descriptive statistics for the demographic variables

From: Evaluating the drivers of and obstacles to the willingness to use cognitive enhancement drugs: the influence of drug characteristics, social environment, and personal characteristics

Variable Total Percent of this sample Percent of the population
Gender    
▪ Female 1,753 60.7 53.5
▪ Male 1,134 39.3 46.5
Age    
▪ <18 1 0.0 0.0
▪ 18-19 37 1.3 4.3
▪ 20-21 744 25.8 21.3
▪ 22-23 864 29.9 23.8
▪ 24-25 646 22.4 20.8
▪ 26-27 282 9.8 12.6
▪ 28-29 143 5.0 6.9
▪ 30-31 68 2.4 3.6
▪ 32-33 32 1.1 2.0
▪ 34-35 24 0.8 1.2
▪ 36-37 7 0.2 0.7
▪ 38-39 7 0.2 0.6
▪ 40-41 7 0.2 0.5
▪ >41 25 0.9 1.5
Field of study    
▪ Sports 92 3.2 3.5
▪ Linguistic and cultural studies 943 32.7 25.9
▪ Legal, economic, and social sciences 309 10.7 31.6
▪ Mathematics and natural sciences 1,135 39.3 23.3
▪ Human medicine and health 70 2,4 6.5
▪ Agriculture, forestry, and nutritional sciences 85 2.9 1.0
▪ Engineering 165 5.7 6.5
▪ Arts and science of art 88 3.1 1.8