Table 3.

Estimated Absolute Hip Fracture Risks and Relative Risks, by Baseline Physical Activity Level, for Men in the Osteoporotic Fractures in Men Study, 2000–2002

	Estimated Absolute Hip Fracture Risk, %						Relative Riska
	Low PA Level		Moderate PA Level		High PA Level		Moderate PA Level		High PA Level
	Risk	95% CI	Risk	95% CI	Risk	95% CI	RR	95% CI	RR	95% CI
Unadjusted							0.71	0.45, 1.12	0.51	0.28, 0.92
Inverse probability of treatment weighting	2.34	1.88, 3.62	1.98	1.56, 2.89	1.84	1.14, 4.31	0.85	0.52, 1.28	0.79	0.40, 1.76
G-computation	2.64	2.37, 4.27	2.31	1.89, 3.24	2.08	1.39, 3.49	0.87	0.53, 1.16	0.79	0.40, 1.19
Targeted maximum likelihood estimation	2.52	2.08, 3.92	2.32	1.99, 3.59	2.22	1.62, 5.40	0.92	0.62, 1.44	0.88	0.53, 2.03

Abbreviations: CI, confidence interval; PA, physical activity; RR, relative risk.

^aLow physical activity level served as the reference level.