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Table 1 Model comparisons for each model predicting depression and generalised anxiety. The best fitting models are highlighted in bold. *Country refers to the comparison between high (UK & USA) and low (Australia) COVID stringency. Bracketed AIC scores for country refer to comparisons made when the UK and USA were not grouped (i.e., UK versus USA versus Australia)

From: The effect of intolerance of uncertainty on anxiety and depression, and their symptom networks, during the COVID-19 pandemic

Model

AIC

Predicting depression

 Time + IU

20,830.41

Time x IU

20,822.65

 Time + IU x Country*

20,828.52 (20,828.22)

 Time x IU x Country*

20,822.09 (20,824.80)

Predicting generalised anxiety

 Time + IU

20,437.37

 Time x IU

20,418.82

 Time + IU x Country*

20,426.72 (20,430.11)

Time x IU x Country*

20,411.16 (20,417.83)