Table 3. Parameter estimates for gravity models (disease spreads and workflows) and the corresponding 95% confidence intervals (CI).

Coefficient (exponents)		Gravity Model - Disease	Lower CI	Upper CI	Gravity Model - Workflows	Lower CI	Upper CI
τ1, τ2	Population	0.265	0.257	0.268	0.47	0.37	0.57
ρ	Distance	0.098	0.086	0.11	1.76	1.74	1.78