Table 1.

Characteristics of the participants

Total number	20 participants
Gender	15 mothers and 5 fathers
Age	23–42 years old (M = 34)
	3 participants: ≤29 years old
	14 participants: 30–39 years old
	3 participants: ≥40 years old
Origin	13 from EU, 2 from non-EU countries, 5 from Switzerland
Level of education	2 secondary school, 4 high school education or equivalent, 14 university or professional university degree
Number of children	6 participants: 1 child
	12 participants: 2 children
	2 participants: 3 children
Attitude towards the MMR vaccination	3 participants: opposed
	13 participants: favorable
	4 participants: undecided