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Organized Breast Cancer Screening Programs in Canada - 1996 Report

Recruitment and Retention

Recruitment of women and retention of previously screened women are two key objectives of screening programs, although methods vary across programs. In 1996, Alberta, Saskatchewan, and Manitoba sent letters of invitation to women in the target age group based on a population list (usually health insurance files). In Ontario, letters of invitation were sent to women using mainly physicians' patient lists; in Nova Scotia, physicians were urged to send letters to women; and in British Columbia, letters of invitation were sent to a limited number of women in specific communities. In addition to those who received a letter of invitation, women attending for the first time included women referred by their physician and women who were self-referred.

Table 5 provides information on the number of initial (first screens) and subsequent screens (rescreens) by age group. The percentage of total screens within the target age group (50-69 years) varies between 51.9% and 99.9% according to province.

Table 5
Distribution of Screens by Program According to Age Group, 1996

Program

Age Group

< 50*
n (%)

50-59
n (%)

60-69
n (%)

70 +
n (%)

All Ages
N

British Columbia
  First screens
  Rescreens
  Total screens


20,216 (48.2)
35,169 (28.2)
55,385 (33.2)


10,106 (24.1)
38,549 (30.9)
48,655 (29.2)


7,057 (16.8)
30,762 (24.7)
37,819 (22.7)


4,597 (11.0)
20,288 (16.3)
24,885 (14.9)


41,976
124,768
166,744

Alberta
  First screens
  Rescreens
  Total screens


442 (11.0)
109 (1.0)
551 (3.7)


1,920 (47.9)
3,914 (36.6)
5,834 (39.7)


1,357 (33.8)
5,231 (48.9)
6,588 (44.8)


290 (7.2)
1,433 (13.4)
1,723 (11.7)


4,009
10,687
14,696

Saskatchewan
  First screens
  Rescreens
  Total screens


953 (15.8)
0
953 (3.3)


3,308 (54.8)
8,684 (38.0)
11,992 (41.5)


1,299 (21.5)
10,043 (43.9)
11,342 (39.3)


474 (7.9)
4,130 (18.1)
4,604 (15.9)


6,034
22,857
28,891

Manitoba
  First screens
  Rescreens
  Total screens


65 (0.5)
0
65 (0.5)


6,779 (50.5)
76 (46.3)
6,855 (50.4)


6,134 (45.7)
73 (44.5)
6,207 (45.6)


456 (3.4)
15 (9.1)
471 (3.5)


13,434
164
13,598

Ontario
  First screens
  Rescreens
  Total screens


159 (0.7)
0
159 (0.2)


13,072 (54.3)
16,397 (37.5)
29,469 (43.5)


7,194 (29.9)
17,874 (40.9)
25,068 (37.0)


3,656 (15.2)
9,411 (21.5)
13,067 (19.3)


24,081
43,682
67,763

Nova Scotia
  First screens
  Rescreens
  Total screens


2,308 (35.6)
2,323 (25.6)
4,631 (29.8)


2,550 (39.4)
3,819 (42.1)
6,369 (41.0)


1,408 (21.7)
2,616 (28.8)
4,024 (25.9)


211 (3.3)
313 (3.5)
524 (3.4)


6,477
9,071
15,548

Newfoundland
  First screens
  Rescreens
  Total screens


2 (0.1)
0
2 (0.1)


2,114 (68.1)
7 (53.8)
2,121 (68.0)


989 (31.8)
6 (46.2)
995 (31.9)


1 (0.03)
0
1 (0.03)


3,106
13
3,119

All Programs
  First screens
  Rescreens
  Total screens


24,145 (24.4)
37,601 (17.8)
61,746 (19.9)


39,849 (40.2)
71,446 (33.8)
111,295 (35.9)


25,438 (25.7)
66,605 (31.5)
92,043 (29.7)


9,685 (9.8)
35,590 (16.8)
45,275 (14.6)


99,117
211,242
310,359

* Age is not rounded. For programs that do not screen women under the age of 50, this age group includes women who were 49 at the time of screen, but were invited to participate in the program because they were turning 50 that year.

 

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