Table 23.
The basic descriptive statistics and reliability testing for the Intolerance of Uncertainty Scale (IUS-5) across countries with more than 200 participants.
| Country | N Scale | Mean | SD | Min | Max | Alpha |
|---|---|---|---|---|---|---|
| Russian Federation | 1799 | 2.96 | 0.74 | 1.0 | 5.0 | 0.667 |
| Japan | 2021 | 2.92 | 0.72 | 1.0 | 5.0 | 0.677 |
| Finland | 896 | 2.49 | 0.86 | 1.0 | 5.0 | 0.827 |
| Switzerland | 526 | 2.55 | 0.69 | 1.0 | 4.8 | 0.744 |
| Spain | 490 | 2.60 | 0.84 | 1.0 | 5.0 | 0.770 |
| Colombia | 453 | 2.53 | 0.82 | 1.0 | 5.0 | 0.760 |
| Portugal | 391 | 2.80 | 0.85 | 1.0 | 5.0 | 0.748 |
| Brazil | 396 | 2.98 | 0.81 | 1.2 | 5.0 | 0.737 |
| Honduras | 307 | 2.64 | 0.89 | 1.0 | 5.0 | 0.790 |
| Ireland | 311 | 2.80 | 0.84 | 1.0 | 5.0 | 0.767 |
| Norway | 329 | 2.45 | 0.77 | 1.0 | 4.8 | 0.736 |
| Czech Republic | 300 | 2.77 | 0.89 | 1.0 | 5.0 | 0.767 |
| Slovakia | 270 | 2.79 | 0.71 | 1.0 | 4.8 | 0.664 |
| Italy | 271 | 2.63 | 0.81 | 1.0 | 4.8 | 0.726 |
| Bulgaria | 261 | 2.79 | 0.80 | 1.0 | 5.0 | 0.744 |
| Ecuador | 213 | 2.56 | 0.80 | 1.0 | 5.0 | 0.742 |
| Uruguay | 223 | 2.33 | 0.75 | 1.0 | 4.2 | 0.761 |
| Guatemala | 227 | 2.66 | 0.81 | 1.0 | 5.0 | 0.750 |
| Costa Rica | 224 | 2.53 | 0.81 | 1.0 | 5.0 | 0.755 |
| Kyrgyzstan | 191 | 2.94 | 0.76 | 1.2 | 5.0 | 0.690 |
| Ukraine | 221 | 2.87 | 0.72 | 1.0 | 4.8 | 0.558 |
| Estonia | 209 | 2.64 | 0.81 | 1.0 | 4.8 | 0.763 |
| Malaysia | 171 | 3.19 | 0.77 | 1.2 | 5.0 | 0.698 |
| Taiwan | 199 | 2.82 | 0.80 | 1.2 | 5.0 | 0.775 |
| Turkey | 152 | 3.42 | 0.95 | 1.2 | 5.0 | 0.827 |
Abbreviations: N Scale = number of participants who completed the scale. Mean = scale mean. SD = scale standard deviation. Min = minimum value of the mean scale score for the sample. Max = maximum value of the average scale score for the sample. Alpha = Cronbach’s alpha.