Table 3 Decomposition of concentration index for measuring socioeconomic inequalities in pregnancy termination in Bangladesh
Study variables | Category | Elasticity | Concentration index | Contribution to overall CCI = 0.029 (p < 0.001) | |
|---|---|---|---|---|---|
Absolute contribution | Percentage contribution | ||||
Administrative region | Barisal | 0.003 | -0.133 | -0.001 | -1.344 |
Chittagong | -0.042 | 0.129 | -0.005 | -18.878 | |
Dhaka | -0.027 | 0.453 | -0.012 | -41.574 | |
Khulna | Reference | ||||
Mymensingh | -0.014 | -0.159 | 0.002 | 7.501 | |
Rajshahi | -0.012 | -0.118 | 0.001 | 4.777 | |
Rangpur | 0.007 | -0.308 | -0.002 | -7.510 | |
Sylhet | -0.003 | -0.032 | 0.00008 | 0.293 | |
Subtotal | -0.01692 | -56.735 | |||
Place of residence | Rural | Reference | |||
Urban | 0.032 | 0.312 | 0.010 | 34.353 | |
Subtotal | 0.010 | 34.353 | |||
Religion | Islam | Reference | |||
Hinduism | -0.021 | -0.089 | 0.002 | 6.439 | |
others | 0.002 | -0.142 | -0.0002 | -0.736 | |
Subtotal | 0.0018 | 5.703 | |||
Sex of household head | Male | Reference | |||
Female | 0.005 | 0.031 | 0.0001 | 0.486 | |
Subtotal | 0.0001 | 0.486 | |||
Mass media exposure | No | Reference | |||
Yes | 0.061 | 0.199 | 0.012 | 41.817 | |
Subtotal | 0.012 | 41.817 | |||
Wealth index | Poorest | 0.008 | -0.809 | -0.006 | -21.454 |
Poorer | -0.034 | -0.447 | 0.015 | 52.227 | |
Middle | Reference | ||||
Richer | -0.019 | 0.381 | -0.007 | -25.457 | |
Richest | 0.027 | 0.757 | 0.020 | 69.660 | |
Subtotal | 0.022 | 74.976 | |||
Women current age | < 30 years | Reference | |||
≥ 30 years | 0.236 | 0.002 | 0.0004 | 1.494 | |
Subtotal | 0.0004 | 1.494 | |||
Women height | Below average (< 164 cm) | Reference | |||
Average or above (≥ 164 cm) | -0.005 | 0.255 | -0.001 | -4.836 | |
Subtotal | -0.001 | -4.836 | |||
Women age at first intercourse | non-adolescence | Reference | |||
adolescence | -0.007 | 0.171 | -0.001 | -4.291 | |
Subtotal | -0.001 | -4.291 | |||
Women occupation | Homemakers | Reference | |||
Labor | 0.033 | 0.067 | 0.002 | 7.730 | |
business | 0.022 | 0.089 | 0.002 | 6.587 | |
Service Holder | 0.007 | 0.445 | 0.003 | 10.488 | |
Subtotal | 0.007 | 24.805 | |||
Wife beating | low | Reference | |||
high | 0.020 | -0.096 | -0.002 | -6.738 | |
Subtotal | -0.002 | -6.738 | |||
Contraceptive usage | No | Reference | |||
Yes | 0.014 | -0.015 | -0.0002 | -0.758 | |
Subtotal | -0.0002 | -0.758 | |||
Total children ever born | ≤ 2 | Reference | |||
≥ 3 | 0.020 | -0.094 | -0.002 | -6.543 | |
Subtotal | -0.002 | -6.543 | |||
Preceding birth interval | < 2 years | -0.013 | -0.042 | 0.0006 | 1.921 |
2–4 years | Reference | ||||
> 4 years | 0.035 | 0.038 | 0.001 | 4.612 | |
Subtotal | 0.0016 | 6.533 | |||
Husband/partner’s current age (years) | < 30 | Reference | |||
30–34 | 0.033 | 0.028 | 0.0009 | 3.192 | |
35–39 | 0.017 | 0.013 | 0.0002 | 0.756 | |
≥ 40 | 0.123 | 0.004 | 0.0005 | 1.658 | |
Subtotal | 0.0016 | 5.606 | |||
Husband/partner’s occupation | Unemployed | Reference | |||
Farmer/Labor | 0.058 | -0.209 | -0.012 | -41.945 | |
Business | 0.079 | 0.142 | 0.011 | 38.801 | |
Service Holder | 0.004 | 0.449 | 0.002 | 6.394 | |
Subtotal | 0.001 | 3.25 | |||
Explained CI | 0.03238 | 111.962 | |||
Residual CI | -0.00338 | 11.962 | |||