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Table 3 Stratification, age, payer, staging, tumor and care characteristics of breast cancer patients diagnosed between 1996 and 2000 and followed until 2011

From: Mediation of the effects of living in extremely poor neighborhoods by health insurance: breast cancer care and survival in California, 1996 to 2011

 

Sample

%

 

Sample

%

Stratification characteristics

Places

  

Poverty prevalence (%) in neighborhoods

  Large urban

2,100 

33.3

 < 5

2,100 

33.3

  Smaller urban

2,100 

33.3

 5–29

2,100 

33.3

  Rural

2,100 

33.3

 ≥ 30

2,100 

33.3

Age and primary payer characteristics

Age at diagnosis, y

  

Primary payers

  

  25–44

904 

14.3

 Private insurers

3,376 

53.6

  45–54

1,386 

22.0

 Medicare

1,777 

28.2

  55–64

1,344 

21.3

 Medicaid

465 

  7.4

  65–74

1,375 

21.8

 Uninsured

685 

10.9

  ≥ 75

1,291 

20.5

   

Staging characteristics at diagnosis

Summary stage

  

Size of tumor, mm

  

  Local-regional

  

 < 10

975 

17.5

   Node negative

4,035 

66.2

 10–19

2,035 

36.6

   Node positive

1,774 

29.1

 20–49

2,035 

36.6

  Distally metastasized

287 

  4.7

 ≥ 50

512 

  9.2

  Missing data

 204  

  3.2

 Missing data

 743 

11.8

Tumor characteristics

Histological grade

  

Hormone receptor statuses

  

  I, well differentiated

1,134 

21.1

 Estrogen positive

3,720 

63.3

  II, moderately

2,211 

41.2

 Progesterone positive

3,189 

54.3

  III/IV, poorly

2,019 

37.6

 Either positive

3,852 

65.5

  Missing data

936

14.9

 Missing data

422

 6.7

Cancer care characteristics

Surgery received

  

Wait time from diagnosis to surgery, d

  Lumpectomy

3,025 

48.4

 ≤ 7

2,699 

45.8

  Mastectomy

2,876 

46.0

 8–30

2,011 

34.1

  No surgery

348

 5.6

 ≥ 31

1,187 

20.1

  Missing data

 51

 0.8

 Missing data

 4 

  0.1

Received RT

2,843  

45.4  

Wait time after surgery for RT, d

  Missing data

 44

0.7

 ≤ 60a

1190 

42.9

   

 61–90

451  

16.3

   

 91–180

687  

24.8

   

 ≥ 181

446   

16.1

   

 Missing data

69 

  2.4

Received chemotherapy

2,299 

37.6

Wait time after surgery for chemotherapy, d

  Missing data

185 

 2.9

 ≤ 30b

891 

40.7

   

 31–60

839 

38.3

   

 61–90

273 

12.4

   

 ≥ 91

188 

  8.6

   

 Missing data

108 

  4.7

Received HT

2,115 

34.7

Wait time after surgery for HT, d

  Missing data

205

  3.3

 ≤ 30c

701 

34.7

   

 31–90

667 

33.0

   

 91–180

408 

20.2

   

 ≥ 181

247 

12.2

   

 Missing data

92  

  4.3

  1. Note. RT = radiation therapy, HT = hormone therapy.
  2. a A few (41) of these patients received RT prior to or without surgery.
  3. b One third (32.4%) of these patients received chemotherapy prior to or without surgery.
  4. c One fifth (18.5%) of these patients received HT prior to or without surgery.
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International Journal for Equity in Health

ISSN: 1475-9276

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