Table 3. Results for the association between SCI etiology categories and time to mortality.

	Hazard Ratio	95% Confidence Interval
Falls (reference: Sports)	1.35*	1.25, 1.45
Medical (reference: Sports)	2.00*	1.79, 2.24
Pedestrian (reference: Sports)	1.57*	1.34, 1.83
Vehicular (reference: Sports)	1.26*	1.17, 1.35
Violence (reference: Sports)	1.54*	1.41, 1.68
Complete Paraplegia (reference: Incomplete Paraplegia)	1.44*	1.36, 1.53
Incomplete Tetraplegia (reference: Incomplete Paraplegia)	1.27*	1.20, 1.35
Complete Tetraplegia (reference: Incomplete Paraplegia)	2.60*	2.44, 2.77
Male (reference: Female)	1.24*	1.19, 1.30
Caucasian (reference: Other)	1.35*	1.21, 1.51
African American (reference: Other)	1.58*	1.40, 1.77
Hispanic (reference: Other)	1.36*	1.15, 1.60
Ventilator Dependence (reference: No Ventilator Dependency)	5.35*	4.97, 5.76
Year of Injury in 1980–1989 (reference: 1970–1979)	0.90*	0.85, 0.95
Year of Injury in 1990–1999 (reference: 1970–1979)	0.82*	0.77, 0.87
Year of Injury in 2000–2009 (reference: 1970–1979)	0.94	0.87, 1.00
Year of Injury in 2010 or over (reference: 1970–1979)	1.07	0.95, 1.21
Age at Injury between 16 and 30 years (reference: Birth-15 years)	1.07	0.95, 1.21
Age at Injury between 31 and 45 years (reference: Birth-15 years)	1.32*	1.16, 1.50
Age at Injury between 46 and 60 years (reference: Birth-15 years)	1.61*	1.40, 1.85
Age at Injury ≥61 years (reference: Birth-15 years)	2.28*	1.95, 2.66

*P < .05.

Note: Age at injury was the entry variable. There were 42,627 observations in the model. SCI, spinal cord injury.