Factor Df F p
Entrance hole bacterial load Intercept
1; 31
1550.001
<0.001
Study area 1; 31 168.089 <0.001
Previous season occupancy 1; 31 0.465 0.500
Study area* Previous season occupancy 1; 30 3.865 0.064
Nest box interior bacterial load Intercept
1; 31
1199.654
<0.001
Study area 1; 31 54.575 <0.001
Previous season occupancy 1; 31 4.165 0.049
Study area* Previous season occupancy 1; 30 8.207 0.007