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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Am J Obstet Gynecol. 2019 May 22;221(5):474.e1–474.e11. doi: 10.1016/j.ajog.2019.05.029

Table 4.

Factors associated with receiving progestin therapy. (n = 4,007)

Univariate
p-value Multivariable
p-value
OR 95% CI OR 95% CI
Age at diagnosis, y <.0001 <.0001
 40–45
 <25 8.0 4.2 15.4 9.5 3.6 25.1
 25–29 9.0 6.4 12.8 10.0 6.9 14.4
 30–34 4.8 3.8 5.9 4.9 3.9 6.2
 35–39 2.3 1.9 2.8 2.3 1.9 2.8
Diagnosis Group <.0001 <.0001
 Endometrial
 Cancer
 Atypical
 Hyperplasia 2.7 2.2 3.2 2.7 2.2 3.2
Year of diagnosis <.0001 0.0002
 1999–2004
 2005–2008 1.5 1.0 2.0 1.0 0.7 1.4
 2009–2014 2.2 1.6 3.0 1.5 1.1 2.0
Region 0.0194 0.0132
 South
 Northeast 1.4 1.1 1.7 1.4 1.1 1.8
 North Central 1.1 0.9 1.3 1.2 0.9 1.5
 West 1.3 1.0 1.6 1.4 1.1 1.8
 Unknown 1.2 0.7 2.0 1.4 0.8 2.4
Insurance 0.4756 0.6431
 HMO
 Other 0.9 0.7 1.1 0.9 0.7 1.2
 PPO 0.9 0.7 1.1 0.9 0.7 1.1
Charlson Comorbidity Score 0.2799 0.4077
 0
 1 1.1 0.8 1.4 1.1 0.9 1.5
 ≥2 0.6 0.3 1.2 0.7 0.3 1.4
Relationship to the Primary Beneficiary <.0001 0.0112
 Employee
 Spouse 0.8 0.6 0.9 0.8 0.6 0.9
 Child/Other 2.6 1.4 5.1 0.9 0.3 2.5
a

P values are based on Wald test. Abbreviations: CI, confidence interval. OR, Odds ratio. HMO: health maintenance organization; PPO: preferred provider organization.