Table 2.

Proportion of individual predictor’s effect on heterogeneity and associated statistical significance adjusted for sample size.

Model	Without sample size		With sample size
	proportion	p value	proportion	p value
Sample size	-	-	0.52	0.249
Year	1.42	0.119	2.46	0.009
Type of sampling	0.0	0.489	0.0	0.541
Type of study population	0.0	0.564	0.0	0.780
Breed	20.44	<0.001	25.44	<0.001
Production systems	9.0	0.001	8.9	0.002
Herd contact	0.0	0.329	0.0	0.362
Agro-ecology	0.32	0.287	0.16	0.438
Diagnostic technique	0.0	0.789	0.0	0.943
Administrative states	1.07	0.160	1.83	0.142