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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.