Table 2.

Overall and sex-stratified multivariable negative binomial regression models evaluating factors associated with county-level esophageal cancer–related mortality rates.

		Model 1a		Model 2b
	County-level variable	MRR (95% CI)	P	MRR (95% CI)	P
Overall	Area
	Urban	Reference		Reference
	Rural	1.49 (1.43–1.55)	<0.001	1.15 (1.10–1.21)	<0.001
	GDP per capitac	0.79 (0.76–0.81)	<0.001	0.95 (0.91–0.98)	0.002
	Education leveld	0.83 (0.82–0.84)	<0.001	0.86 (0.84–0.87)	<0.001
Men	Area
	Urban	Reference		Reference
	Rural	1.41 (1.36–1.47)	<0.001	1.11 (1.06–1.16)	<0.001
	GDP per capitac	0.81 (0.78–0.84)	<0.001	0.95 (0.92–0.99)	0.007
	Education leveld	0.85 (0.84–0.86)	<0.001	0.87 (0.86–0.88)	<0.001
Women	Area
	Urban	Reference		Reference
	Rural	1.90 (1.79–2.02)	<0.001	1.31 (1.21–1.41)	<0.001
	GDP per capitac	0.67 (0.64–0.71)	<0.001	0.93 (0.88–0.98)	0.007
	Education leveld	0.74 (0.73–0.76)	<0.001	0.79 (0.77–0.81)	<0.001

Abbreviations: GDP, gross domestic product; MRR, mortality rate ratio.

^aModels were adjusted for the age group.

^bModels were adjusted for the age group, area (rural and urban), GDP per capita, and education level.

^c100,000 Chinese Yuan (¥), included in models as a continuous variable.

^dThe proportion of people with an education level of high school or higher, included in models as a continuous variable.