Table 2. OLS regression models for the total count of plague outbreak per outbreak point in Europe, AD1347–1760.

	Model 1	Model 2	Model 3	Model 4	Model 5
Width of River	0.0995185*** ( = 0.351109)	0.0962446*** ( = 0.3395736)	0.0918961*** ( = 0.3242312)	0.0919283*** ( = 0.3243449)	0.0919559*** ( = 0.324442)
Distance of River from city centre	−1.276682*** ( = −0.1008757)	−1.25114*** ( = 0.0988647)	−0.9758854*** ( = −0.0771141)	−0.9794637*** ( = −0.0772024)	−0.9771168*** ( = −0.0772132)
Spatial Lag		−9.275146*** ( = −0.1334507)	−9.128437*** ( = −0.1313398)	−9.147805*** ( = −0.1316185)	−9.084119*** ( = −0.1307022)
Distance from equator			−0.2338274 ( = −0.032463)	−0.2310886 ( = −0.0320828)	−0.2205209 ( = −0.0306156)
Longitude			1.048405*** ( = 0.22237368)	1.049983*** ( = 0.2227083)	1.041675*** ( = 0.22094628)
Elevation			−0.0223869*** ( = −0.1387659)	−0.0223048*** ( = −0.1382572)	−0.0223221*** ( = −0.1383645)
Vegetation Cover				( = −0.1649253)	−0.6105889 ( = −0.1635749)
Normalized Population Density				0.000591 ( = 0.006708)	( = −0.0197739)
Per Capita GDP					−0.010114 ( = −0.076168)
Consumer Price Index					−0.2604331 ( = 0.003831)
Normal Wage					−0.2021959 ( = −0.0097477)
Time Fixed effect	Yes	Yes	Yes	Yes	Yes
Regional Fixed effect	Yes	Yes	Yes	Yes	Yes
Number obs.	5559	5559	5559	5559	5559
R2	0.35	0.36	0.37	0.38	0.38

Notes: The dependent variable is total number of plague count in study period.

***p < 0.005.

**p < 0.01.

*p < 0.05.