Table 2. Predictors of human H5N1 case occurrence in a governorate.

	Bivariate				Multivariate
Risk Factor	RR	95% CI		p-value	RR	95% CI		p-value
Mean temperature last 30 days	0.94	0.92	0.95	<.0001	0.94	0.92	0.96	<.0001
Mean humidity last 30 days	1.01	1.00	1.03	0.054
Urbanization of Governorate	0.99	0.98	0.99	0.0002	0.99	0.98	1.00	0.0046
Poultry Density	1.45	1.19	1.76	0.0002	1.26	1.03	1.54	0.0218
GDP of Governorate	0.89	0.82	0.97	0.0056
Ducks
Outbreak with ducks in last 14-days	2.59	1.83	3.66	<.0001
Outbreak with ducks in last 21-days	2.45	1.75	3.41	<.0001
Chickens
Outbreak with chickens in last 14-days	2.64	1.91	3.65	<.0001
Outbreak with chickens in last 21-days	2.30	1.67	3.18	<.0001
Ducks and Chickens
Outbreak with ducks and chickens in last 14-days	2.48	1.70	3.61	<.0001
Outbreak with ducks and chickens in last 21-days	2.36	1.66	3.35	<.0001
Ducks or Chickens
Outbreak with ducks or chickens in last 14-days	2.64	1.91	3.65	<.0001	1.91	1.37	2.67	0.0001
Outbreak with ducks or chickens in last 21-days	2.30	1.66	3.17	<.0001