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. Author manuscript; available in PMC: 2009 Oct 1.
Published in final edited form as: Obstet Gynecol. 2008 Oct;112(4):788–799. doi: 10.1097/AOG.0b013e3181875b78

Figure 3.

Figure 3

Modeled mean percentage change from baseline across 36 months by age group in femoral neck bone mineral density for (A) oral contraception, (B) depot medroxyprogesterone acetate, and (C) nonhormonal contraception; and spine bone mineral density for (D) oral contraception, (E) depot medroxyprogesterone acetate, and (F) nonhormonal contraception. Blue diamonds = 16–24 year olds; pink squares = 25–33 year olds. P values indicate the difference in coefficient between the two age groups derived from the method-specific mixed-model regression analyses.