TABLE III.

Final Multivariate Cox Proportional Hazards Model for Hip Fracture, Including Humeral Fracture as a Risk Factor (N = 6921 Subjects)

Risk Factor	Hazard Ratio (95% Confidence Interval)	P Value
Total hip bone mineral density (per 1 standard deviation decrease*)	2.08 (1.91 to 2.27)	<0.001
Self-reported health status (on a scale of 1-5)	1.24 (1.12 to 1.38)	<0.001
Height at age of 25 yr (per 10 cm)	1.39 (1.22 to 1.59)	<0.001
History of falls	1.29 (1.10 to 1.52)	0.002
Depth perception (per 10 times standard deviation of 4 Howard-Dolman optical distance scores)	1.53 (1.19 to 1.97)	0.001
Non-humeral fracture	1.28 (1.06 to 1.55)	0.01
Humeral fracture	1.57 (1.12 to 2.19)	0.009

^*1 standard deviation = 0.133 g/cm².