Table 1.

Univariable generalized linear regression results for the risk of Salmonella infection in pigs at the province level in Spain from 2002 to 2013, 2015, 2017, and 2019.

Name	Mean	Standard deviation	95% posterior probability	Change in risk with every specified unit of increase (95% credible interval)
Number of farms	0.08	0.03	(0.03 to 0.13)	1.010 (1.004 to 1.016)1
Density of farms (per km2)	0.07	0.02	(0.03 to 0.12)	1.014 (1.005 to 1.023)2
Number of fattening pigs	0.06	0.02	(0.03 to 0.10)	1.002 (1.001 to 1.003)3
Number of sows	0.06	0.02	(0.01 to 0.10)	1.010 (1.002 to 1.018)3
Number of piglets	0.05	0.02	(0.01 to 0.08)	1.002 (1.000 to 1.004)3
Number of weaners	0.06	0.02	(0.03 to 0.09)	1.003 (1.001 to 1.005)3
Number of gilts	0.05	0.02	(0.01 to 0.09)	1.040 (1.009 to 1.068)3
Number of boars	0.04	0.04	(−0.04 to 0.11)	1.262 (0.787 to 1.953)3
Total number of pigs	0.06	0.02	(0.02 to 0.10)	1.001 (1.000 to 1.001)3
Proportion of fattening pigs	0.08	0.04	(0.00 to 0.15)	1.009 (1.001 to 1.018)2
Proportion of sows	−0.11	0.06	(−0.24 to 0.00)	0.989 (0.976 to 1.000)2
Proportion of piglets	−0.08	0.03	(−0.15 to −0.02)	0.989 (0.981 to 0.997)2
Proportion of weaners	0.09	0.03	(0.02 to 0.15)	1.016 (1.004 to 1.028)2
Proportion of gilts	−0.06	0.06	(−0.19 to 0.04)	0.976 (0.929 to 1.017)2
Proportion of boars	−0.09	0.06	(−0.22 to 0.03)	0.799 (0.566 to 1.091)2
Density of fattening pigs	0.07	0.02	(0.04 to 0.11)	1.003 (1.002 to 1.005)4
Density of sows	0.05	0.02	(0.01 to 0.09)	1.011 (1.002 to 1.020)4
Density of piglets	0.05	0.02	(0.01 to 0.08)	1.002 (1.000 to 1.004)4
Density of weaners	0.08	0.02	(0.04 to 0.12)	1.005 (1.002 to 1.008)4
Density of gilts	0.06	0.02	(0.01 to 0.10)	1.050 (1.012 to 1.089)4
Density of boars	0.05	0.03	(−0.02 to 0.11)	1.643 (0.813 to 3.211)4
Density of pigs	0.07	0.02	(0.03 to 0.11)	1.001 (1.000 to 1.002)4

¹Every 100 farms of change.

²Every 1% of change.

³Every 10,000 animals of change.

⁴Every 1 unit of change.