. Author manuscript; available in PMC: 2012 Feb 1.

Published in final edited form as: J Pediatr Adolesc Gynecol. 2010 Aug 14;24(1):35–38. doi: 10.1016/j.jpag.2010.06.007

Table 2. Correlation between Body Weight (kg) and Bone Mineral Density (BMD) at 12 and 24 months by Contraceptive Method.

Pearson Correlation Coefficient^a (p-value)	Weight vs. Femoral Neck BMD		Weight vs. Spine BMD
Pearson Correlation Coefficient^a (p-value)	12 months	24 months	12 months	24 months
DMPA	.700 (< .001)	.929 (p < .001)	.514 (p = .01)	.584 (p = .05)
OC	.534 (< .001)	.541 (p < .001)	.514 (p < .001)	.470 (p = .004)
Control	.555 (< .001)	.513 (p < .001)	.457 (p < .001)	.432 (p = .002)

Note:

Adjusted for age, smoking, physical activity and prior contraceptive use