Table 2 Inequality decomposition of the Erreygers’s concentration index for utilising of breast cancer screening services
Variables | Odds ratio (OR) (95% CI) | Elasticity | Erreygers’s concentration index (CI) | Relative contribution to the Erreygers’s CI, (%) |
|---|---|---|---|---|
African countries | ||||
 Age (year) | 1.00 (0.98, 1.01) | − 0.21 | 0.20 | 6.33 |
 Education (year) | 0.95 (0.93, 0.96) | 0.27 | − 0.01 | 12.16 |
 Age at 1st birth (year) | 0.97 (0.96, 0.98) | − 0.68 | 0.85 | 5.09 |
 Number of births (n) | 0.98 (0.96, 1.00) | − 0.10 | − 0.25 | − 0.86 |
 Sex of household head (ref = male) | 1.76 (1.63, 1.90) | 0.73 | − 0.26 | 5.63 |
 Mass media communication (ref = no) | 2.34 (2.16, 2.54) | 0.43 | 0.34 | 6.15 |
 Health insurance coverage (ref = no) | 2.03 (1.86, 2.20) | 0.09 | 0.24 | −0.17 |
 Body mass index | 0.96 (0.95, 0.96) | −0.26 | 0.62 | 14.53 |
 Community (ref = rural) | 0.91 (0.83, 0.99) | 0.15 | −0.68 | 8.83 |
 Wealth score | 1.19 (1.15, 1.23) | 0.50 | 0.67 | 23.34 |
Total | Â | Â | Â | 81.04 |
Asian countries | ||||
 Age (year) | 0.93 (0.91, 0.96) | −0.26 | 0.75 | 10.53 |
 Education (year) | 1.18 (1.12, 1.23) | 0.63 | 0.26 | 18.33 |
 Age at 1st birth (year) | 1.03 (1.01, 1.05) | 0.61 | −0.09 | −0.42 |
 Number of births (n) | 1.20 (1.15, 1.26) | 0.90 | −0.88 | 6.52 |
 Sex of household head (ref = male) | 1.51 (1.25, 1.83) | 0.47 | −0.02 | 9.06 |
 Mass media communication (ref = no) | 1.08 (0.87, 1.35) | 0.02 | 0.19 | 0.03 |
 Health insurance coverage (ref = no) | 0.53 (0.43, 0.64) | −0.15 | −0.05 | 0.01 |
 Body mass index | 1.02 (1.01, 1.03) | 0.47 | 0.69 | 10.38 |
 Community (ref = rural) | 0.73 (0.62, 0.86) | −0.51 | −0.31 | 6.26 |
 Wealth score | 0.98 (0.91, 1.05) | −0.06 | 0.87 | 25.27 |
Total | Â | Â | Â | 85.95 |
European countries | ||||
 Age (year) | 1.03 (0.93, 1.13) | 0.29 | 0.83 | 7.25 |
 Education (year) | 0.90 (0.80, 1.02) | −0.58 | −0.92 | 14.85 |
 Age at 1st birth (year) | 1.00 (0.92, 1.09) | 0.01 | 0.68 | −6.06 |
 Number of births (n) | 0.88 (0.71, 1.09) | −0.37 | − 0.20 | 16.57 |
 Sex of household head (ref = male) | 0.80 (0.16, 4.10) | − 0.23 | 0.02 | −4.04 |
 Mass media communication (ref = no) | 0.55 (0.34, 0.90) | − 0.29 | 0.21 | − 0.49 |
 Health insurance coverage (ref = no) | 1.94 (0.96, 3.93) | 0.20 | 0.34 | 11.54 |
 Body mass index | 1.01 (0.98, 1.04) | 0.28 | 0.31 | 5.69 |
 Community (ref = rural) | 1.18 (0.57, 2.47) | 0.25 | −0.90 | −1.81 |
 Wealth score | 1.58 (1.19, 2.09) | 0.45 | 0.43 | 37.40 |
Total | Â | Â | Â | 80.92 |
North American countries | ||||
 Age (year) | 1.08 (1.07, 1.10) | 0.93 | 0.40 | 17.86 |
 Education (year) | 1.04 (1.02, 1.06) | 0.20 | −0.03 | 13.05 |
 Age at 1st birth (year) | 1.01 (1.00, 1.02) | 0.34 | 0.21 | −6.80 |
 Number of births (n) | 0.95 (0.93, 0.98) | −0.44 | −0.15 | 12.07 |
 Sex of household head (ref = male) | 1.01 (0.93, 1.10) | 0.12 | 0.02 | 3.02 |
 Mass media communication (ref = no) | 1.00 (0.91, 1.10) | −0.08 | 0.46 | −0.30 |
 Health insurance coverage (ref = no) | 0.80 (0.73, 0.88) | 0.01 | 0.16 | 14.01 |
 Body mass index | 1.01 (1.01, 1.02) | −0.06 | 0.26 | −6.65 |
 Community (ref = rural) | 0.90 (0.81, 0.99) | 0.00 | −0.30 | 4.69 |
 Wealth score | 1.35 (1.3, 1.41) | 0.03 | 0.65 | 35.83 |
Total | Â | Â | Â | 86.77 |
South American countries | ||||
 Age (year) | 1.27 (1.23, 1.31) | 0.53 | 0.12 | 16.46 |
 Education (year) | 0.98 (0.93, 1.03) | −0.09 | 0.39 | −0.28 |
 Age at 1st birth (year) | 0.99 (0.97, 1.01) | −0.12 | 2.19 | −2.10 |
 Number of births (n) | 0.93 (0.86, 1.00) | −0.25 | −1.53 | 13.03 |
 Sex of household head (ref = male) | 1.01 (0.77, 1.34) | 0.02 | −0.01 | 6.00 |
 Mass media communication (ref = no) | 0.92 (0.72, 1.18) | −0.06 | 0.18 | −0.09 |
 Health insurance coverage (ref = no) | 0.81 (0.73, 0.88) | 0.01 | 0.16 | 16.01 |
 Body mass index | 1.03 (1.01, 1.06) | −0.06 | 0.26 | −2.65 |
 Community (ref = rural) | 1.31 (0.95, 1.81) | 0.36 | −0.62 | −1.81 |
 Wealth score | 1.36 (1.24, 1.49) | 0.75 | 0.73 | 36.28 |
Total | Â | Â | Â | 80.85 |
Overall | ||||
 Age (year) | 0.97 (0.96, 0.98) | −0.27 | 0.36 | 13.34 |
 Education (year) | 1.03 (1.02, 1.04) | 0.29 | 0.33 | 0.67 |
 Age at 1st birth (year) | 1.08 (1.08, 1.09) | 1.02 | 0.32 | 5.59 |
 Number of birth (n) | 1.14 (1.13, 1.15) | 0.40 | −0.71 | −5.50 |
 Sex of household head (ref = male) | 1.06 (1.02, 1.11) | 0.58 | −0.03 | − 0.13 |
 Mass media communication (ref = no) | 1.59 (1.53, 1.66) | 0.14 | 0.13 | 0.15 |
 Health insurance coverage (ref = no) | 0.99 (0.93, 1.07) | 0.60 | 0.01 | 15.00 |
 Body mass index | 1.02 (1.01, 1.02) | 0.44 | 0.64 | 14.10 |
 Community (ref = rural) | 0.59 (0.56, 0.61) | −0.32 | −0.46 | 1.19 |
 Wealth score | 1.07 (1.05, 1.09) | 0.21 | 0.10 | 35.12 |
Total | Â | Â | Â | 79.53 |