Table 2. Model coefficients for binomial generalized additive models of the effect of accessibility on the tourist footprint in summer and winter in the Arctic.
The intercept represents Norway, unprotected. The protected area term was not included in the winter model.
| Summer | Winter | |||||
|---|---|---|---|---|---|---|
| Variable | Estimate of coefficient (±standard error) | z-value | Pr(>|z|) | Estimate of coefficient (±standard error) | z-value | Pr(>|z|) |
| (Intercept) | 8.720 ±0.619 | 14.094 | <2.00 x 10−16 | 7.830 ±0.925 | 8.468 | <2.00 x 10−16 |
| Norway | ||||||
| Canada | -5.707 ±0.632 | -9.035 | <2.00 x 10−16 | -5.690 ±0.961 | -5.923 | 3.17x 10−9 |
| Finland | -0.474 ±0.159 | -2.988 | 0.0028 | 0.979 ±0.171 | 5.728 | 1.01 x 10−8 |
| Faroe Islands | 5.802 ±22.647 | 0.256 | 0.798 | -5.557 ±0.970 | -5.731 | 1.00 x 10−8 |
| Greenland | -5.167 ±0.590 | -8.757 | <2.00 x 10−16 | -4.805 ±0.893 | -5.381 | 7.42 x 10−8 |
| Iceland | -4.082 ±0.624 | -6.540 | 6.15 x 10−11 | -3.712 ±0.914 | -4.063 | 4.85 x 10−5 |
| Svalbard & Jan Mayen | -0.059 ±0.267 | -0.221 | 0.825 | -1.524 ±0.390 | -3.939 | 8.18 x 10−5 |
| Sweden | -0.673 ±0.134 | -5.007 | 5.52 x 10−07 | 0.022 ±0.150 | 0.147 | 0.883 |
| USA (Alaska) | -4.682 ±0.630 | -7.433 | 1.06 x 10−13 | -5.647 ±0.954 | -5.917 | 3.28 x 10−9 |
| Protected area TRUE | 0.841 ±0.042 | 19.919 | <2.00 x 10−16 | |||
| Square root of length of road in cell | 0.805 ±0.026 | 31.326 | <2.00 x 10−16 | 0.574 ±0.023 | 24.717 | <2.00 x 10−16 |
| Log distance to road | -0.278 ±0.019 | -14.912 | <2.00 x 10−16 | -0.278 ±0.025 | -11.217 | <2.00 x 10−16 |
| Log distance to airports | -0.220 ±0.027 | -8.135 | 4.13 x 10−16 | -0.337 ±0.034 | -9.855 | <2.00 x 10−16 |
| Log distance to ports | -0.381 ±0.031 | -12.481 | <2.00 x 10−16 | -0.229 ±0.038 | -5.970 | 2.37 x 10−9 |
| Log distance to populated places | -0.532 ±0.022 | -24.243 | <2.00 x 10−16 | -0.603 ±0.028 | -21.244 | <2.00 x 10−16 |