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Table 1 Results of the type III analysis of variance calculated for offspring body mass in Siberian hamster

From: Polymorphism of winter phenotype in Siberian hamster: consecutive litters do not differ in photoresponsiveness but prolonged acclimation to long photoperiod inhibits winter molt

Model no Trait Model Factors F(df) P-value
1 mb until 32-day of life LME age 633.54 (7, 55) 0.006
litter order 3.49 (1, 374) 0.062
litter size 9.45 (2, 283) 0.002
dam mb 5.95 (1, 23) 0.026
age × litter order 5.86 (7, 351) < 0.001
litter order×litter size 5.98 (1, 372) 0.015
2 mb between 45 and 90-day of life LME age 108.05 (3, 601) < 0.001
litter order 0.58 (1, 188) 0.447
sex 318.83 (1, 485) < 0.001
age × litter order 4.78 (3, 601) 0.003
litter order × sex 3.58 (1, 485) 0.011
3 mb prior to transfer to SP GLM litter order 2.44 (1, 199) 0.120
duration of LP acclimation 1.61 (1,199) 0.206
sex 136.26 (1, 199) <0.001
4 mb after 16 weeks under SP GLM litter order 0.81 (1, 186) 0.368
duration of LP acclimation 1.55 (1, 186) 0.214
sex 0.34 (1, 186) 0.563
torpor use 17.02 (2, 186) < 0.001
molting 81.71 (2, 186) < 0.001
initial mb 11.10 (1, 186) 0.001
sex × torpor use 4.58 (2, 186) 0.034
sex × molt 9.45 (2, 186) 0.002
  1. mb body mass, SP short photoperiod, LP long photoperiod, LME linear mixed effect model, GLM general linear model. Significant effects are indicated in bold