Table 1.
Summary of generalized linear model results and survival analysis for the susceptibility experiment, field survey and floral transmission experiment.
| response and explanatory variables | d.f. | χ2 or z | p-values |
|---|---|---|---|
| susceptibility experiment | |||
| probability of infection (n = 714 bees) | |||
| treatment | 1 | 148.9 | <0.0001 |
| hive | 1 | 2.44 | 0.79 |
| spore load (n = 251 bees) | |||
| treatment | 1 | 3.05 | 0.0809 |
| days post-inoculation | 1 | 0.37 | 0.54 |
| hive | 5 | 1.37 | 0.93 |
| treatment × days post-inoculation | 1 | 8.55 | 0.0035 |
| treatment × hive | 2 | 6.47 | 0.0394 |
| survival (n = 714 bees) | |||
| treatment | 1 | 87.0 | <0.0001 |
| hive | 5 | 21.6 | 0.0006 |
| survival (n = 251 bees) | |||
| spore load | 1 | 0.18 | 0.67 |
| field survey | |||
| spore load (n = 6 hives, five months) | |||
| hive | 5 | 18.5 | 0.0023 |
| month | 1 | 3.99 | 0.0457 |
| floral transmission experiment | |||
| infection of bees (n = 150) | |||
| treatment | 1 | 3.04 | 0.00235 |