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Table 3 Initiation and cessation of prescription hormone therapy by regimen, non-Hispanic white women ages 50 and over in Marin County, 2006-2007

From: Recent trends in hormone therapy utilization and breast cancer incidence rates in the high incidence population of Marin County, California

Regimen Utilization Patterns n %  
Estrogen Only (EHT) Past Users who quit within past 5 years 91 43.8 of past users  
  Ever Users who started in past 5 years 148 34.2  
  Current users, time started:    
     ≤5 years ago 115 53.0  
     > 5-10 years ago 47 21.7  
     > 10 years ago 55 25.4  
Estrogen plus progestin (EPHT) Past Users who Quit within past 5 years 100 51.6 of past users  
  Ever Users who started in past 5 years 53 19.3  
  Current users, time started:    
     ≤5 years ago 34 47.2  
     > 5-10 years ago 17 23.6  
     > 10 years ago 21 29.2  
  Reasons quit (past users) Quit < 5 yrs ago Quit >10 yrs ago X 2 , p-value
   n (%) n (%)  
  Side Effects 11 (11.0) 9 (33.3) 7.99, 0.01
  Doctor Recommended 32 (32.0) 7 (25.9) 0.37, 0.54
  Health Effects 38 (38.0) 6 (22.2) 2.34, 0.13
  News Reports 47 (47.0) 4 (14.8) 9.16, 0.002
  Switched types 6 (6.0) 2 (7.4) 0.07, 0.79
  Health or News Reports 60 (60.0) 8 (29.6) 7.89, 0.01