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Table 2 Generalized linear mixed models (GLMMa) for explaining geographical trends in prevalence of puparia of three parasitic fly species in the nests (n = 236) of Ficedula hypoleuca

From: Species and abundance of ectoparasitic flies (Diptera) in pied flycatcher nests in Fennoscandia

  O. chloropus O. avicularia P. azurea
  β ± SE F df P β ± SE F df P β ± SE F df P
Intercept −2.57 ± 0.85    29.7 ± 12.2    −0.422 ± 0.44   
Latitude (°N) −0.0153 ± 0.23 0.00 1,12.0 0.95 −0.517 ± 0.20 6.61 1,23.8 0.017 −0.167 ± 0.24 0.50 1,15.0 0.49
Longitude (°E) 0.237 ± 0.18 1.81 1,20.3 0.19 0.190 ± 0.35 0.30 1,22.9 0.59 0.200 ± 0.17 1.33 1,18.9 0.26
Log distance from the coast (km) 2.63 ± 0.67 15.2 1,26.6 0.0006 −0.432 ± 0.34 1.63 1,15.2 0.22 −0.558 ± 0.35 2.48 1,16.1 0.13
  1. Reduced models are shown in bold
  2. aGLMM with binary error distribution, logit link function, and location (n = 21) as a random factor