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Table 2 Results from a GLM to determine whether infection by Haemoproteus , or any interactions therewith, are associated with wing length

From: Avian blood parasite infection during the non-breeding season: an overlooked issue in declining populations?

Variable

df

F

p

Estimate

SE

Sex (Male)

1, 200

10.236

<0.001

5.231

0.511

Age (Juvenile)

1, 200

−5.214

<0.001

−2.580

0.495

Haemoproteus infection (uninfected)

1, 200

2.057

0.041

0.807

0.393

Year (2008)

1, 200

0.904

0.367

0.434

0.480

Sex x Age

1, 200

−2.184

0.030

−1.455

0.666

Month

1

0.545

0.742

  

Haemoproteus infection x Year

1, 200

−2.143

0.033

−1.638

0.764

Haemoproteus infection x Sex

1

0.970

0.330

  

Haemoproteus infection x Age

1

1.420

0.220

  
  1. For significant terms, parameter estimates with SE are presented; for non-significant terms, statistics follow reinsertion of the term into the minimum adequate model (MAM) and subsequent model comparison.