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Table 2 Results of Poisson regression analysis given as incidence rate ratios (IRR)

From: How protective is cervical cancer screening against cervical cancer mortality in developing countries? The Colombian case

Range

Mortality Rate by cervical cancer

IRR (CI 95%)

Adjusted IRR (CI 95%) *

1. Proportion of women who have never had a cervical cytology

8.9 - 10.4

22.5

-

 

10.9 - 15.5

19.9

1.05 (0.95 - 1.15)

0.86 (0.78 - 0.96)

15.8 - 18.2

25.5

0.82 (0.72 - 0.93)

0.68(0.57 - 0.80)

18.3 - 22.4

24.3

0.93 (0.84 - 1.02)

0.71(0.61 - 0.82)

2. Proportion of women who had an abnormal cervical cytology and contacted their health care provider to receive treatment

64.6 - 81.0

23.9

-

-

81.3 - 83.8

24.3

1.01 (0.92 - 1.11)

0.88(0.79 - 0.98)

84.1 - 87.7

25.8

1.08 (0.98 - 1.18)

0.88 (0.77 - 1.01)

88.1 - 100

19.9

0.83 (0.74 - 0.93)

0.65 (0.56 - 0.76)

3. Proportion of uninsured women

9.6 - 22.2

20.0

-

-

23.7 - 31.0

21.2

1.23 (1.11 - 1.35)

1.47 (1.27 - 1.69)

31.6 - 38.0

22.3

1.44 (1.29 - 1.61)

1.77 (1.54 - 2.03)

38.6 - 48.7

23.4

1.14 (1.02 - 1.27)

1.66 (1.42 - 1.95)

4. Proportion of women who have a cervical cytology once a year

28.7 - 36.7

19.9

-

 

37.0 - 44.7

25.8

1.30 (1,13 - 1,48)

 

45.2 - 50.2

23.7

1.19 (1,06 - 1,34)

 

51.4 - 65.6

24.5

1.23 (1,09 - 1,38)

 

5. Proportion of women who did not collect the results of their last cytology

3.9 - 6.4

24.0

-

 

6.7 - 8.9

23.2

0.96 (0,88 - 1,05)

 

9.0 - 11.1

23.4

0.98 (0,88 - 1,08)

 

11.7 - 17.4

25.2

1.04 (0,92 - 1,19)

 
  1. *Adjusted by variables 1, 2, 3 included in the final model.