Table 2 Colony development and honey production in relation to fixed effects

From: Clothianidin seed-treatment has no detectable negative impact on honeybee colonies and their pathogens

Model Model typea Effect measurea Estimatesb Degrees of freedom F b P b
Colony development c
Number of capped brood cells Full modeld Intercept 4445.953    
Seed-treatment −23.591 1, 16 0.04 0.837
Bloom −271.905 1, 110 6.06 0.015
Year 783.702 1, 19 42.12 <0.001
Seed-treatment x Bloom 171.907 1, 110 2.42 0.122
Seed-treatment x Year −41.545 1, 17 0.13 0.719
Bloom x Year 466.244 1, 110 17.83 <0.001
Seed-treatment x Bloom x Year 276.231 1, 110 6.26 0.014
  2013 Intercept 3656.020    
Seed-treatment 20.252 1, 7 0.22 0.872
Bloom −738.149 1, 75 46.74 <0.001
Seed-treatment x Bloom −104.324 1, 75 0.10 0.380
  2014 Intercept 5098.070    
Seed-treatment −60.730 1, 4 0.08 0.790
Bloom 194.339 1, 35 0.94 0.338
Seed-treatment x Bloom 448.139 1, 35 5.02 0.032
Number of adult bees Full modeld Intercept 5866    
Seed-treatment −61 1, 17 0.24 0.629
Bloom 1274 1, 110 161.40 <0.001
Year −439 1, 20 11.26 0.003
Seed-treatment x Bloom 206 1, 110 4.22 0.042
Seed-treatment x Year −17 1, 17 0.02 0.893
Bloom x Year −1647 1, 110 269.79 <0.001
Seed-treatment x Bloom x Year −140 1, 110 1.94 0.166
Spring assessment
Number of capped brood cells 2014 Intercept 6.684    
Seed-treatment 0.029 1 X² = 0.82 0.821
Number of adult bees 2014 Intercept 4421.691    
Seed-treatment −164.356 1, 7 0.19 0.674
Honey production Full modeld Intercept 9.425    
Seed-treatment −0.095 1, 16 0.02 0.880
Year −1.378 1, 18 4.47 0.049
Seed-treatment x Year 0.009 1, 16 <0.01 0.989