Table 2.

Crude Prevalence of Low Femur Neck and Total Hip BMD by Sex Among Adults Age 50+ Years: NHANES 2005–2006

		Osteopenia			Osteoporosis
	n	%	SE	Millions	%	SE	Millions
Femur neck
Women	740	49	2.3	22.7	10	0.9	4.5
Men	874	30	1.4	11.8	2	0.3	0.8
Total hip
Women	740	36	2.1	8.3	7	1.1	0.3
Men	874	12	1.0	1.4	–a	–a	–a

^aUnreliable; standard error/mean > 40% or estimate was zero.