Table 2.

Mean Bone Mineral Density (g/cm²) of the Femoral Neck and the Lumbar Spine for Puerto Rican Adults From the Boston Puerto Rican Osteoporosis Study

	Femoral neck (g/cm2)		Lumbar spine (g/cm2)
	n	Mean (95% CI)	n	Mean (95% CI)
Full sample
Age category
45–49 years	85	1.023 (0.994,1.052)	85	1.251 (1.217, 1.284)
50–59 years	430	0.950 (0.937, 0.963)	422	1.154 (1.136, 1.171)
60–69 years	336	0.913 (0.898, 0.928)	329	1.143 (1.123, 1.162)
≥70 years	100	0.889 (0.857, 0.921)	95	1.123 (1.081, 1.165)
Men
Age category
45–49 years	32	1.050 (0.998, 1.103)	32	1.226 (1.169, 1.282)
50–59 years	118	0.996 (0.969, 1.024)	114	1.180 (1.146, 1.214)
60–69 years	96	0.987 (0.954, 1.020)	91	1.232 (1.190. 1.273)
≥70 years	26	1.012 (0.953, 1.072)	24	1.314 (1.239, 1.388)
Women
Age category
45–49 years	53	1.006 (0.971, 1.041)	53	1.266 (1.224, 1.308)
50–59 years	312	0.933 (0.918, 0.947)	308	1.144 (1.124, 1.164)
60–69 years	240	0.884 (0.869, 0.899)	238	1.109 (1.088, 1.129)
≥70 years	74	0.846 (0.813, 0.879)	71	1.058 (1.017, 1.099)