Statistics comparing the prevalence of <i>C. bombi</i> infections in bumble bees (all species pooled) across study sites, times of year, and distance from industrial greenhouse operations.

a‘Study site’ (Exeter or Leamington) and ‘Time of year’ (early [June] or late [July, August]) treated as nominal variables. b‘Distance’ treated as a continuous variable. *Non-significant interactions are not shown.