Measurements

The data of the Motive-study contains information on:

Demographics

• Sex
• Age
• Educational level (ISCED)
• Main occupation
• Marital status
• Number of children
• Siblings
• Country of birth (self, mother & father)
• Years living in the Netherlands

Blood donation history

• Ever donated blood in the past
• Country of blood donation & experiences
• How many times donated
• Currently a blood donor
• Blood donor stopping reasons

Blood donation factors

• Knowledge
• Awareness
• Intention
• Cognitive attitude
• Affective attitude
• Injunctive subjective norm
• Descriptive subjective norm
• Self-efficacy
• Controllability
• Barriers
• Motivators
• Preferred recruitment appeals

Background mechanisms & personal factors

• General altruism
• Reluctant altruism
• Health literacy
• Religious denomination & identity
• Ethnic identity
• General trust
• General perceived discrimination
• Acculturation
• Emotion about helping
• Charity/community work
• Emotional reactions on injustice
• Empathic anger

Money distribution task