Table 1 Abbreviation, mean scores, standard deviations and predictability for each variable selected in the present network

 IUS-12-1: Unforeseen events upset me greatly

IU1

2.97

1.05

0.41

 IUS-12-2: It frustrates me not having all the information I need

IU2

2.93

1.06

0.46

 IUS-12-3: One should always look ahead so as to avoid surprises

IU3

3.52

0.94

0.13

 IUS-12-4: A small, unforeseen event can spoil everything, even with the best of planning

IU4

2.90

1.01

0.26

 IUS-12-5: I always want to know what the future has in store for me

IU5

3.23

1.09

0.22

 IUS-12-6: I can’t stand being taken by surprise

IU6

2.81

1.01

0.40

 IUS-12-7: I should be able to organize everything in advance

IU7

3.35

0.95

0.13

 IUS-12-8: Uncertainty keeps me from living a full life

IU8

2.67

1.06

0.44

 IUS-12-9: When it’s time to act, uncertainty paralyses me

IU9

2.80

1.08

0.44

 IUS-12-10: When I am uncertain I can’t function very well

IU10

2.88

1.07

0.49

 IUS-12-11: The smallest doubt can stop me from acting

IU11

2.58

1.07

0.52

 IUS-12-12: I must get away from all uncertain situations

IU12

2.44

0.99

0.43

 GAD-1: Feeling nervous, anxious or on edge

A1

0.89

0.65

0.48

 GAD-2: Not being able to stop or control worrying

A2

0.66

0.66

0.52

 GAD-3: Worrying too much about different things

A3

0.77

0.74

0.58

 GAD-4: Trouble relaxing

A4

0.69

0.77

0.55

 GAD-5: Being so restless that it is hard to sit still

A5

0.48

0.68

0.52

 GAD-6: Becoming easily annoyed or irritable

A6

0.71

0.72

0.53

 GAD-7: Feeling afraid as if something awful might happen

A7

0.43

0.64

0.52