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Table 2 Hormone therapy usage, non-Hispanic white women ages 50 and over, Marin Women's Study 2006/2007 (n = 1083)

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

   n %
Ever Use -- prescription hormone therapy 613* 56.6
Estrogen Only Ever 432 39.9
  Never 625 57.7
  Missing 26 2.4
EPHT Ever 274 25.3
  Never 809 74.7
  Missing 0 0
Progesterone Ever 64 5.9
Pill/Patch Never 1008 93.1
  Missing 11 1.0
Ever Use -- prescription hormone therapy by age category
     50-59 226 33.0
     60-69 291 42.5
     70-79 124 18.1
     80+ 44 6.4
     missing 0 0
Current Use -- prescription hormone therapy 282* 26.0
Estrogen Only No 840 77.6
  Yes 243 22.4
  Missing 0 0
Type    
   Pills/Patch No 967 89.3
  Yes 110 10.2
  Missing 6 0.6
   Vaginal Estrogen No 941 86.9
  Yes 142 13.1
  Missing 0 0
EPHT** No 1010 93.3
  Yes 72 6.7
  Missing 1 0.1
Progesterone No 1062 98.1
Pill/Patch Yes 20 1.9
  Missing 1 0.1
EPHT Use by Age and Year 2001 (%, 95% CI) 2006 (%, 95% CI)
  50-59 21.9 (18.2, 25.7) 10.6 (7.8, 13.2)
  60-69 21.2 (15.8, 26.6) 9.7 (6.6, 12.8)
  70-79 5.6 (1.2, 10.0) 4.8 (1.3, 8.4)
  80+ 0 0
  1. *Does not represent simple sum as regimens are not mutually exclusive
  2. **Estrogen plus progestin hormone therapy