Table 1.
DiD estimation results for human SARS-CoV-2 incidence rate
| Sample | (1) All municipalities | (2) All municipalities | (3) All municipalities | (4) Only municipalities with mink farms |
|---|---|---|---|---|
| Infected farms | 51.25 | 28.21 | ||
| (absorbing binary) | (30.910, 71.591) | (6.226, 50.199) | ||
| Infected farmsa | 74.03 | |||
| (non-absorbing, binary) | (48.432, 99.633) | |||
| Infected farmsa | 6.22 | |||
| (continuous) | (4.174, 8.264) | |||
| Neighbour (50 km) | 21.79 | 69.02 | 7.33 | −9.96 |
| Infected farms | (5.470, 38.099) | (31.588, 106.461) | (1.835, 12.818) | (−40.216, 20.297) |
| Lockdown Northern | −46.01 | −44.19 | −29.94 | −52.60 |
| Jutland (binary) | (−84.731, −7.279) | (−78.956, −9.432) | (−60.268, 0.391) | (−88.894, −16.307) |
| Neighbour (50 km) | −22.06 | −21.61 | −7.47 | −89.71 |
| Lockdown Northern Jutland | (−52.288, 8.164) | (−52.451, 9.241) | (−36.281, 21.343) | (−171.09, −8.333) |
| Culling on infected | −21.67 | −29.13 | 0.58 | −5.16 |
| mink farms (binary) | (−42.153, −1.180) | (−55.276, −2.982) | (−17.123, 18.288) | (−27.513, 17.201) |
| Neighbour (50 km) | −14.09 | −13.54 | 4.84 | 0.12 |
| Culling on infected mink farms | (−29.907, 1.725) | (−29.671, 2.588) | (−11.093, 20.765) | (−14.080, 14.324) |
| Number of infectious human | 0.07 | 0.06 | 0.06 | 0.13 |
| population (continuous) | (0.028, 0.112) | (0.026, 0.101) | (0.027, 0.093) | (0.067, 0.202) |
| Neighbour (50 km) | 0.20 | 0.14 | 0.18 | 0.05 |
| Number of infectious human population | (0.118, 0.278) | (0.061, 0.225) | (0.096, 0.254) | (−0.021, 0.117) |
| Cumulative number of | −0.001 | −0.001 | −0.001 | −0.002 |
| PCR tests (continuous) | (−0.0021, −0.0004) | (−0.0019, −0.0004) | (−0.0016, −0.0003) | (−0.0029, −0.0010) |
| Workplace mobility | 0.26 | 0.47 | 0.36 | −0.20 |
| (continuous) | (−0.135, 0.658) | (0.089, 0.846) | (−0.025, 0.739) | (−0.627, 0.222) |
| Average temperature | −9.51 | −6.07 | −6.76 | −7.81 |
| (continuous) | (−14.777, −4.249) | (−11.174, −0.962) | (−11.975, −1.535) | (−11.864, −3.765) |
| No. of observations | 2632 | 2632 | 2632 | 1680 |
| No. of clusters (municipalities) | 94 | 94 | 94 | 60 |
| Within R2 | 0.78 | 0.78 | 0.78 | 0.74 |
| Linear and quadratic time trends by region types | Yes | Yes | Yes | Yes |
| Week and municipal fixed effects | Yes | Yes | Yes | Yes |
Notes: 95% confidence intervals in parenthesis.
a
Variables defined on a 3-week rolling basis (see main text and Supplementary appendix for details on variable definitions); neighbour values for the variable ‘Infected farms’ are measured in the same dimension as the underlying variable in each column.