Table 2.

Cox proportional hazard models for all-cause and cause-specific mortality for NHANES 2007–2012

	All-Cause Mortality		Cancer		Cardiovascular Diseases		Chronic Lower Respiratory Diseases
	Hazard Ratio	95% CI	Hazard Ratio	95% CI	Hazard Ratio	95% CI	Hazard Ratio	95% CI
COPD Status
GOLD 0	Ref		Ref		Ref		Ref
PRISm	2.3	(1.9—2.9)	2.0	(1.2—3.2)	2.4	(1.6—3.6)	5.3	(1.1—26.0)
GOLD 1	1.2	(0.9—1.6)	1.4	(0.9—2.4)	0.9	(0.6—1.4)	1.4	(0.4—5.4)
GOLD 2	2.1	(1.7—2.6)	2.0	(1.4—2.8)	2.4	(1.6—3.7)	3.3	(1.0—11.3)
GOLD 3–4	4.2	(2.7—6.5)	1.3	(0.6—2.8)	4.7	(2.3—9.8)	53.2	(14.0—202.0)
Gender
Female	Ref		Ref		Ref		Ref
Male	1.7	(1.5 – 2.0)	1.7	(1.3—2.4)	2.1	(1.5—3.1)	1.6	(0.7—3.6)
Age
Age 20–39	0.3	(0.2—0.4)	0.1	(0.0—0.3)	0.2	(0.1—0.4)	0.1	(0.0—0.9)
Age 40–64	Ref		Ref		Ref		Ref
Age 65 +	4.7	(4.0—5.5)	4.3	(3.1—6.0)	6.6	(4.9—8.9)	4.3	(1.3—13.7)
Body Mass Index
Normal	Ref		Ref		Ref		Ref
Overweight	0.9	(0.7—1.1)	0.8	(0.5—1.3)	1.3	(0.8—2.1)	0.5	(0.2—1.8)
Obese	1.1	(0.9—1.4)	1.0	(0.7—1.4)	1.8	(1.1—2.7)	0.9	(0.2—3.3)
Smoking Status
Never Smoker	Ref		Ref		Ref		Ref
Current Smoker	2.1	(1.7—2.6)	2.3	(1.4—3.6)	1.6	(1.1—2.3)	5.8	(1.6—21.7)
Former Smoker	1.2	(0.9—1.4)	1.1	(0.7—1.7)	0.9	(0.7—1.3)	3.0	(0.9—9.9)
Race/Ethnicity
Non-Hispanic White	Ref		Ref		Ref		Ref
NH Black	1.0	(0.8—1.2)	0.9	(0.6—1.3)	1.0	(0.7—1.5)	0.4	(0.2—0.9)
Mexican American	0.8	(0.6—1.0)	0.6	(0.4—1.1)	0.9	(0.6—1.5)	0.4	(0.0—3.5)
Other Hispanic	0.8	(0.6—1.1)	0.8	(0.5—1.2)	1.1	(0.6—1.8)	0.1	(0.0—1.1)
Other	0.6	(0.4—0.8)	0.6	(0.3—1.3)	0.6	(0.3—1.0)	1.0	(0.2—4.4)

Values in bold are statistically significant