Table 3.
Descriptive statistics
| Sample | Full sample | Treated sample (COVID-19 period) | Control sample (non-COVID-19 period) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Variable | Definition | Mean | SD | N × T | Mean | SD | N × T | Mean | SD | N × T |
| Commonality | Average of grocery items divided by unique grocery items per order | 1.289 | 0.177 | 11,100 | 1.281 | 0.051 | 3069 | 1.292 | 0.206 | 8031 |
| Local hospital admissions | Number of municipality-level hospital admissions | 0.640 | 4.267 | 11,205 | 2.335 | 7.905 | 3071 | 0 | 0 | 8134 |
| Keyword searches | Search index value where value = 100 at peak | 8.119 | 16.05 | 11,205 | 29.30 | 17.91 | 3071 | 0.122 | 0.576 | 8134 |