Fig. 1

Network structure of different components of intolerance of uncertainty and symptoms of generalized anxiety disorder. Blue edges represent positive correlations, red edges represent negative correlations. The thickness of the edge reflects the magnitude of the correlation. The circles around nodes depict its predictability. IU1 = Unforeseen events upset me greatly; IU2 = It frustrates me not having all the information I need; IU3 = One should always look ahead so as to avoid surprises; IU4 = A small, unforeseen event can spoil everything, even with the best of planning; IU5 = I always want to know what the future has in store for me; IU6 = I can’t stand being taken by surprise; IU7 = I should be able to organize everything in advance; IU8 = Uncertainty keeps me from living a full life; IU9 = When it’s time to act, uncertainty paralyses me; IU10 = When I am uncertain I can’t function very well; IU11 = The smallest doubt can stop me from acting; IU12 = I must get away from all uncertain situations; A1 = Feeling nervous, anxious or on edge; A2 = Not being able to stop or control worrying; A3 = Worrying too much about different things; A4 = Trouble relaxing; A5 = Being so restless that it is hard to sit still; A6 = Becoming easily annoyed or irritable; A7 = Feeling afraid as if something awful might happen