Table 3.

Model-averaged predictors of parasite load, in 15 song sparrows that became successfully infected. Smoother terms for experimental day were fitted with k = 4. Italic type indicates predictor for which 95% CI does not include zero.

predictorestimates.e.95% CI (2.5%, 97.5%)
experimental day smoother (1)1.360.552.44,0.29
experimental day smoother (2)4.180.523.15, 5.20
experimental day smoother (3)1.360.630.14, 2.59
experimental day smoother (1): allopatric−0.440.61−1.63, 0.76
experimental day smoother (2): allopatric4.180.603.01, 5.35
experimental day smoother (3): allopatric0.600.70−0.77, 1.96
experimental day smoother (1): sympatric2.770.874.48,1.06
experimental day smoother (2): sympatric4.170.812.59, 5.76
experimental day smoother (3): sympatric2.480.990.53, 4.42
bird origin (western)−0.190.67−1.51, 1.12
parasite origin (western)−0.460.68−1.79, 0.86
bird origin (western) × parasite origin (western)0.721.08−1.40, 2.85
previous infection status (yes)0.740.56−0.36, 1.83
sex (male)−0.270.73−1.70, 1.16