Table 2.

Characteristics of the sample

VariablesAnswersFrequency(%)
Gender (n = 386)Male12328.9
Female26361.9
Missing values399.2
Age (n = 389)Up to 306615.5
From 31 to 409321.9
From 41 to 5010524.7
From 51 to 607116.7
Over 605412.7
Missing values368.5
Country of residence (n = 386)USA11226.4
Italy7918.6
Spain4510.6
UK317.3
Other nations11828
Missing values399.2
Education (n = 387)Compulsory education122.8
High school6515.3
University28065.9
Other307.1
Missing values388.9
Year of the experience (n = 425)201614233.4
201513331.3
20147417.4
2013419.6
2012174.0
<2012184.2

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