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Table 3 Estimates and percent change of relative and absolute inequality indicators for cervical and breast cancer screening participation

From: A nationally quasi-experimental study to assess the impact of partial organized breast and cervical cancer screening programme on participation and inequalities

 

Breast cancer screening

Cervical cancer screening

Intervention group

Comparison group

Percent change, % a

P value for change b

Intervention group

Comparison group

Percent change, % a

P value for change b

Rural-urban

 RII (95%CI) c

1.61 (1.39–1.86)

2.72 (2.28–3.24)

−40.8

< 0.001

1.51 (1.32–1.72)

2.40 (2.04–2.83)

−37.1

< 0.001

 SII (95%CI) c

9.2 (6.2–12.2)

15.0 (12.3–17.7)

−38.7

0.01

7.5 (4.8–10.1)

12.9 (10.4–15.3)

− 41.9

0.009

Age group

 RII (95%CI)

8.32 (6.35–10.90)

5.24 (3.81–7.21)

58.8

0.03

8.0 (6.2–10.2)

6.5 (4.7–8.8)

23.1

0.29

 SII (95%CI)

42.1 (37.0–47.3)

23.8 (19.3–28.3)

76.9

< 0.001

40.4 (35.7–45.0)

26.8 (22.5–31.1)

50.7

< 0.001

Household income

 RII (95%CI) c

1.95 (1.70–2.25)

2.32 (1.95–2.76)

−15.9

0.20

1.52 (1.34–1.73)

2.22 (1.89–2.60)

−31.5

< 0.001

 SII (95%CI) c

14.4 (11.3–17.5)

13.2 (10.6–15.8)

9.1

0.17

8.9 (6.2–11.7)

12.1 (9.7–14.5)

−26.4

0.28

Education attainment

 RII (95%CI) c

2.40 (2.08–2.78)

4.08 (3.42–4.86)

−41.2

< 0.001

2.50 (2.19–2.85)

3.42 (2.90–4.03)

−26.9

0.01

 SII (95%CI) c

15.4 (12.6–18.2)

17.7 (15.3–20.0)

−13.0

0.66

16.0 (13.5–18.5)

15.2 (13.0–17.4)

5.3

0.05

  1. Abbreviations: RII Relative index of inequalities, SII Slope index of inequalities
  2. a Percent change was calculated from the difference between intervention and comparison divided by the comparison
  3. b P values were calculated from generalized linear model including the interaction term of intervention and indicators
  4. c These indicators were calculated adjusting for age group