Table 5. Model results for Red River Delta, Wave 2 (December ‘04 –April ‘05).

	GLMM			BRT
	Coefficient	p	s.e.	Relative Influence (%)	s.e	Rank
Intercept	68.171	0.142	46.439
Urbanicity: rural	0			2.13	0.04	13
Urbanicity: peri-urban	0.240	0.530	0.382
Urbanicity: urban	0.041	0.033	1.245
Percentage land under rice*	-7.892	0.046	3.944	6.81	0.09	6
Percentage land under aquaculture*	-2.552	0.688	6.362	6.31	0.07	7
Land-use diversity (Gini-Simpson index)	1.592	0.451	2.113	5.62	0.08	9
Chicken density*	1.017	0.033	0.476	10.34	0.07	2
Duck-rice area density	-70.094	0.030	32.181	7.95	0.08	4
Chicken flock size diversity (Gini-Simpson Index)	0.935	0.571	1.651	12.86	0.09	1
Duck & goose flock size diversity (Gini-Simpson Index)	1.934	0.087	1.130	8.07	0.04	3
Annual precipitation*	-32.390	0.038	15.625	7.85	0.28	5
Compound Topographical Index*	26.477	0.258	23.375	4.66	0.28	10
Shortest distance to nearest national highway*	-0.081	0.294	0.077	2.56	0.07	12
Shortest distance to nearest provincial highway*	-0.136	0.085	0.079	0.96	0.08	14
Shortest distance to nearest town*	0.093	0.619	0.188	2.72	0.09	11
Shortest distance to nearest lake*	-0.262	0.054	0.136	6.27	0.04	8
Autoregressive term	n/a			14.9	0.28
AUC-ROC	0.902			Trg = 0.987, Eval = 0.755

* Transform of the type log₁₀(1+x) was used

s.e. = standard error, Rank = rank of relative influence excluding the rank of the autoregressive term, AUC-ROC = Area Under the Curve of the Receiver Operating Characteristic, Trg = Training, Eval = Evaluation