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. 2018 Oct 31;13(10):e0205742. doi: 10.1371/journal.pone.0205742

Table 2. Estimates of regression coefficients, standard error, and 95% confidence intervals for our final model evaluating the effects of snowfall and time of day on travel speed.

Because the dependent variable was log10-transformed, coefficients were back-transformed using the formula 10expx, where x is the estimate of interest.

Untransformed coefficients Transformed coefficients
Variable* β Standard error 95% confidence intervals
β Lower limit Upper limit
Intercept 1.081 0.026 12.049 10.701 13.609
time_of_day: night 0.107 0.028 1.280 1.130 1.459
snowfall_category: control 0.061 0.023 1.152 1.037 1.273
snowfall_category: two_before 0.037 0.023 1.088 0.981 1.211
snowfall_category: one_before 0.045 0.021 1.110 1.006 1.222
snowfall_category: one_after 0.005 0.022 1.012 0.914 1.116
snowfall_category: two_after 0.041 0.022 1.099 0.995 1.210
snowfall_category: three_after -0.016 0.022 0.964 0.874 1.064

* Dependent variable: Travel speed of grey wolves (log10-transformed).