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Table 2 Factors explaining the variation in antimicrobial activity of the uropygial gland in house sparrows. Scaled body mass index, haemosporidian infection, sex and uropygial gland volume were included in the analysis as predictor variables. Sample size was 44 individuals

From: Volume and antimicrobial activity of secretions of the uropygial gland are correlated with malaria infection in house sparrows

Independent variable Square-sum III DF F P
Scaled body mass index 1.38 1 2.011 0.1756
Infection -2.43 1 5.850 0.0196
Sex 1.75 1 2.947 0.0872
Gland volume -5.19 1 0.297 0.4968