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Table 5 General Linear Mixed Models with type I sum of squares accounting for the trade-off between egg number and egg area of individuals of Pholeter gastrophilus collected from striped and bottlenose dolphins, controlling for worm body area (covariate)

From: Life-history trade-offs in a generalist digenean from cetaceans: the role of host specificity and environmental factors

Model ΔAIC w i Predictor F df p
Fixed effects Random effects Covariance structure   
Intercept + BA + EA + HS + HS*BA + HS*EA HI RI 0 0.231 BA 24.93 1, 9.6 <0.005
EA 31.18 1, 120.4 <0.005
HS 5.66 1, 9.7 0.040
HS*BA 0.27 1, 195.8 0.601
HS*EA 2.45 1, 198.2 0.119
Intercept + BA + EA + HS + HS*EA HI RI 0.36 0.193 BA 24.49 1, 9.3 <0.005
EA 31.03 1, 119.2 <0.005
HS 5.85 1, 9.5 0.037
HS*EA 1.99 1, 199.0 0.160
Intercept + BA + EA + HS + HS*BA + HS*EA HI + EA RI + RS 1.66 0.101 BA 24.42 1, 9.4 <0.005
EA 29.53 1, 114.1 <0.005
HS 5.51 1, 9.5 0.042
HS*BA 0.19 1, 196.0 0.661
HS*EA 2.67 1, 192.1 0.104
Intercept + BA + EA + HS + HS*EA HI + EA RI + RS 1.92 0.089 BA 24.09 1, 9.2 <0.005
EA 29.35 1, 113.0 <0.005
HS 5.70 1, 9.4 0.040
HS*EA 2.24 1, 191.4 0.136
Intercept + BA + EA + HS + HS*BA + HS*EA HI + BA RI + RS 2.00 0.085 BA 24.93 1, 9.6 <0.005
EA 31.18 1, 120.4 <0.005
HS 5.66 1, 9.7 0.040
HS*BA 0.27 1, 195.8 0.601
HS*EA 2.45 1, 198.2 0.119
Intercept + BA + EA + HS + HS*EA HI + BA RI + RS 2.36 0.071 BA 24.49 1, 9.3 <0.005
EA 31.03 1, 119.2 <0.005
HS 5.85 1, 9.5 0.037
HS*EA 1.99 1, 199.0 0.160
Intercept + BA + EA + HS HI RI 3.00 0.052 BA 22.76 1, 9.1 <0.005
EA 39.23 1, 137.1 <0.005
HS 4.89 1, 9.2 0.054
Intercept + BA + EA + HS + HS*BA HI RI 3.14 0.048 BA 22.74 1, 9.2 <0.005
EA 39.41 1, 137.9 <0.005
HS 4.65 1, 9.3 0.058
HS*BA 0.30 1, 201.1 0.583
Intercept + BA + EA + HS + HS*BA + HS*EA HI + BA + EA RI + RS 4.65 0.023 BA 27.79 1, 3133.1 <0.005
EA 33.21 1, 352.7 <0.005
HS 6.29 1, 3119.3 0.012
HS*BA 0.27 1, 323.9 0.605
HS*EA 2.66 1, 298.4 0.104
Intercept + BA + EA + HS HI + EA RI + RS 4.84 0.021 BA 23.29 1, 9.0 <0.005
EA 36.91 1, 91.0 <0.005
HS 4.36 1, 9.2 0.066
  1. Models are arranged by increase of Akaike information criterion (AIC) and decrease of Akaike weight (w i ). Models with w i  < 0.01 are not shown. The probability associated to each fixed effect is also given; significant values are in bold. Abbreviations: BA worm body area, EA egg area, HS host species, HI host individual, RI random intercept, RS random slope