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Table 3 Changes in likelihood of initiating AET after state health reform in low-income areas in Massachusetts by age group

From: Changes in initiation of adjuvant endocrine therapy for breast cancer after state health reform

  (1) (2)
Post-reform: 2007–2010 Low-income areas: lowest tertile ZIP code areas
Breast cancer patients aged 20–64 years 0.035*** 0.068***
[0.006, 0.065] [0.038, 0.099]
N 13,906 14,185
Breast cancer patients aged 20–49 years 0.061*** 0.072***
[0.013, 0.109] [0.022, 0.122]
N 5588 5542
Breast cancer patients aged 50–64 years 0.018 0.064***
[−0.019, 0.055] [0.025, 0.103]
N 8318 8643
  1. Model (1) re-defines the post-reform period to be 2007–2010. Model (2) re-defines the low-income areas to be the lowest tertile ZIP code areas and the high-income areas to be the highest tertile ZIP code areas in Massachusetts. Both models are based on the main multivariable difference-in-differences regressions in Table 2. All models control for age at diagnosis, marital status, race/ethnicity, stage at diagnosis, and type of surgery
  2. AET Adjuvant Endocrine Therapy
  3. ***p-value< 0.01 **p-value< 0.05