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. Author manuscript; available in PMC: 2014 Apr 1.
Published in final edited form as: Am J Obstet Gynecol. 2013 Jan 8;208(4):274.e1–274.e7. doi: 10.1016/j.ajog.2012.12.038

Table 4.

Multivariable Analysis for Risk of Ectopic Pregnancy by race/ethnicity and age among Medicaid beneficiaries in New York, California, and Illinois, 2000–2003

Race/Ethnicity New York California Illinois
RR CI p-value RR CI p-value RR CI p-value
 White Reference Reference Reference
 Black 1.12 1.1–1.14 <0.0001 1.36 1.34–1.39 <0.0001 1.45 1.42,1.48 <0.0001
 Amer Ind/Alask Nat 0.56 0.50–0.56 <0.0001 1.04 0.96–1.12 0.3416 1.27 1.05,1.55 0.0141
 Asian 0.49 0.47–0.51 <0.0001 0.79 0.77–0.81 <0.0001 0.73 0.68–.79 <0.0001
 Hispanic 1.21 1.19–1.24 <0.0001 0.83 0.82–0.84 <0.0001 0.90 0.88–0.93 <0.0001
 Nat Haw/Pacific Isl - - - 0.85 0.82–0.88 <0.0001 - - -
 Multi-racial - - - - - - 0.68 0.55–0.85 0.0008
 Unknown/Missing 1.07 1.05–1.10 <0.0001 0.71 - - 0.45 0.41–0.49 <0.0001
Age Group
 15–49 Reference Reference Reference
 20–24 1.43 1.40–1.48 <0.0001 1.31 1.28–1.33 <0.0001 1.26 1.23–1.30 <0.0001
 25–29 1.55 1.51–1.60 <0.0001 1.65 1.62–1.69 <0.0001 1.49 1.45–1.54 <0.0001
 30–34 1.74 1.69–1.79 <0.0001 1.93 1.89–1.97 <0.0001 1.59 1.54–1.65 <0.0001
 35–39 2.00 1.94–2.06 <0.0001 2.20 2.15–2.25 <0.0001 1.67 1.60–1.75 <0.0001
 40–44 1.91 1.83–1.98 <0.0001 2.40 2.32–2.47 <0.0001 1.22 1.13–1.31 <0.0001