Table 3.

RRs and 95% CI for hip fracture

	RR (95% CI) adjusted for age	RR (95% CI) adjusted for age and femoral neck BMD
Femoral neck aBMDa	2.00 (1.59–2.53); P < 0.0001
Total hip aBMDa	1.82 (1.49–2.21); P < 0.0001
Trochanteric soft tissue thicknessa	1.01 (0.78–1.30); P = 1.0	0.90 (0.70–1.16); P = 0.4
Weight (kg)a	1.07 (0.81–1.41); P = 0.6	0.85 (0.65–1.13); P = 0.3
BMI (kg/m2)a	1.03 (0.79–1.33); P = 0.8	0.83 (0.64–1.08); P = 0.2
Estimated femoral strengthb	0.57 (0.47–0.69); P < 0.0001	0.83 (0.57–1.22); P = 0.3
Peak forceb	0.92 (0.70–1.21); P = 0.6	1.14 (0.86–1.50); P = 0.4
Attenuated forceb	0.94 (0.74–1.20); P = 0.6	0.99 (0.77–1.28); P = 1.0
Factor-of-risk, peakb	1.10 (1.05–1.15); P < 0.0001	0.97 (0.89–1.05); P = 0.4
Factor-of-risk, attenuatedb	1.09 (1.04–1.14); P = 0.0002	0.96 (0.89–1.04); P = 0.4

^aRR for a 1 sd decrease. 

^bRR for a 1 sd increase.