. Author manuscript; available in PMC: 2019 Mar 1.

Published in final edited form as: J Rural Health. 2017 Apr 20;34(2):155–161. doi: 10.1111/jrh.12242

Table 3.

Cox Proportional Hazards Model for Colorectal Cancer Mortality in Utah by Gender and Metropolitan Status, SEER 1991–2010 Data

Gender	Diagnosis year	Metropolitan			Nonmetropolitan

		HR^a	CI	P value	HR^a	CI	P value
Male
	1991–1995	Reference			Reference
	1996–2000	0.90	0.79–1.03	.13	0.71	0.51–0.99	.04
	2001–2005	0.81	0.71–0.93	.003	0.82	0.59–1.14	.23
	2006–2010	0.69	0.59–0.79	< .0001	0.70	0.49–0.98	.04
Female
	1991–1995	Reference			Reference
	1996–2000	1.01	0.88–1.16	.84	1.11	0.80–1.54	.53
	2001–2005	0.90	0.78–1.04	.16	0.81	0.58–1.15	.25
	2006–2010	0.76	0.65–0.88	.0003	0.75	0.54–1.04	.08

Bold indicates P < .05.

Abbreviations: HR = Hazard Ratio; CI = Confidence Interval

Estimates were based on models that adjusted for age at diagnosis and cancer stages.