Intolerance of Uncertainty Scale: Measurement invariance among adolescent boys and girls and relationships with anxiety and risk taking

•Intolerance of Uncertainty (IU) may be linked to adolescent anxiety and risk taking.•The Intolerance of Uncertainty Scale–Short version was studied in 879 adolescents.•The scale consists of two subscales—partially measurement invariant across gender.•Higher IU predicts higher self-reported anxiety and lower self-reported risk taking.•No relationship between IU and performance on a risk taking task was found.