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Table 2 Coefficients of averaged models explaining body mass and wing length (male and female) in relation to climate factors

From: The role of climate factors in geographic variation in body mass and wing length in a passerine bird

Variable Factor Estimate SE P value Lower CI Upper CI Relative importance
Body mass
  (Intercept) 24.181 2.493 <0.001 19.287 29.075  
  AP −0.008 0.001 <0.001 −0.010 −0.005 1.00
  SUN 0.002 0.001 0.001 0.001 0.003 0.96
  PRC 0.001 0.001 0.453 0.0004 0.003 0.54
Wing length
Male (Intercept) 57.864 4.750 <0.001 48.517 67.211  
  SUN 0.002 0.001 0.018 0.001 0.004 0.97
  WS −0.740 0.428 0.085 −1.537 −0.141 0.88
  RH −0.099 0.052 0.057 −0.182 −0.051 0.85
  AP −0.004 0.003 0.149 −0.009 <0.001 0.84
  PRC 0.002 0.001 0.256 0.000 0.005 0.68
  MAT 0.022 0.054 0.688 0.054 0.229 0.15
Female (Intercept) 66.425 2.666 <0.001 61.158 71.693  
  RH −0.130 0.060 0.030 −0.248 −0.012 1.00
  AP −0.006 0.003 0.063 −0.012 −0.003 0.85
  PRC 0.001 0.002 0.502 −0.001 0.007 0.47
  WS −0.376 0.529 0.479 −1.798 0.118 0.45
  MAT −0.035 0.089 0.691 −0.384 −0.084 0.15
  1. Estimate average model coefficients, SE unconditional standard errors, Lower CI and Upper CI the 95% confidence limits, AP air pressure, PRC annual precipitation, SUN annual sunshine hours, RH relative humidity, WS annual average wind speed, MAT mean annual temperature
  2. More information for top-ranked models are shown in Additional file 1: Table S3