Table 2.
Changes in search behavior related to stay-at-home orders.a
| Search term | EDFb | Ref.dfc | F | P valued |
| Anxiety | 3.969 | 3.999 | 12.846 | <.001 |
| Depression | 1.788 | 2.073 | 2.765 | .06 |
| OCDe | 1.000 | 1.000 | 0.189 | .66 |
| Hopeless | 3.791 | 3.955 | 14.519 | <.001 |
| Angry | 2.612 | 2.830 | 1.775 | .19 |
| Afraid | 4.000 | 4.000 | 16.192 | <.001 |
| Apathy | 1.000 | 1.000 | 23.870 | <.001 |
| Worthless | 3.888 | 3.985 | 4.349 | .002 |
| Worried | 1.000 | 1.000 | 1.292 | .26 |
| Restless | 3.905 | 3.985 | 4.314 | .002 |
| Irritable | 3.450 | 3.687 | 4.108 | .002 |
| Tense | 1.000 | 1.000 | 0.399 | .53 |
| Scattered | 1.046 | 1.077 | 16.123 | <.001 |
| Tired | 1.000 | 1.000 | 9.113 | .003 |
| Avoiding | 2.672 | 2.865 | 5.301 | <.001 |
| Procrastinate | 1.556 | 1.800 | 7.057 | .005 |
| Insomnia | 3.916 | 3.993 | 10.209 | <.001 |
| Suicidal | 3.970 | 3.999 | 13.446 | <.001 |
| Suicide | 3.996 | 4.000 | 20.314 | <.001 |
aThis table corresponds to the test of the term s2 in the model.
bEDF stands for the model estimated residual degrees of freedom, where 1 corresponds to a linear deviation from the time trend.
cRef.df refers to the number of model data minus the model degrees of freedom.
dSignificant values represent the difference between what would have happened in a state with a stay-at-home policy intervention and what would have happened in the absence of that intervention.
eOCD: obsessive-compulsive disorder.