. Author manuscript; available in PMC: 2019 Jan 23.

Published in final edited form as: Nat Microbiol. 2018 Jul 23;3(9):1054–1062. doi: 10.1038/s41564-018-0205-8

Table 2. Multivariable logistic regression analysis of factors associated with mcr-1 positivity (n=5159).

Variables	Categories	OR (95% CI)	P
Geographical zoning of aquaculture conditions	low^*	0.5 (0.3-0.7)	0.002
	medium^*	0.7 (0.5-0.9)	0.016
	high^*	1.0	0.005
Daily aquatic product intake(g/day)^*	≤100^*	0.6 (0.5-0.7)	<0.001
Daily aquatic product intake(g/day)^*	>100^*	1.0	<0.001
Total population^*			0.003
Annual animal production (10 thousand tons)		sheep^*	<0.001
Annual animal-derived food consumption (kg/person)		meat^*	<0.001
Annual animal-derived food consumption (kg/person)		pork^*	0.014
		mutton^*	0.003

significant variable in multivariable logistic regression analysis (p<0.05)