From: Assessment of trends in socioeconomic inequalities in cancer screening services in Korea, 1998–2012
Colorectal cancer screening | Cycle 1 (1998) | Cycle 3 (2005) | Cycle 5 (2010–2012) | ||||||
---|---|---|---|---|---|---|---|---|---|
Elasticity | Ck | Contribution | Elasticity | Ck | Contribution | Elasticity | Ck | Contribution | |
Sex- female | 0.039 | -0.016 | -0.001 | -0.198 | -0.024 | 0.005 | -0.009 | -0.024 | 0.000 |
Age | -0.636 | -0.017 | 0.011 | -0.083 | -0.029 | 0.002 | -0.264 | -0.039 | 0.010 |
Self-rated health - fair | -0.076 | 0.102 | -0.008 | -0.088 | 0.088 | -0.008 | 0.037 | 0.040 | 0.001 |
Self-rated - poor | -0.097 | 0.033 | -0.003 | -0.094 | 0.176 | -0.017 | 0.009 | 0.127 | 0.001 |
Sub-total - need factors | -0.001 | -0.017 | 0.013 | ||||||
Marital status- married | 0.030 | 0.041 | 0.001 | -0.056 | 0.082 | -0.005 | 0.113 | 0.090 | 0.010 |
Education - completion of middle school | 0.024 | 0.142 | 0.003 | 0.060 | 0.120 | 0.007 | 0.026 | 0.090 | 0.002 |
Education - completion of high school | 0.138 | 0.263 | 0.036 | 0.012 | 0.232 | 0.003 | 0.033 | 0.222 | 0.007 |
Education - completion of university or above | 0.045 | 0.501 | 0.023 | 0.010 | 0.397 | 0.004 | 0.019 | 0.400 | 0.008 |
Employment - non-manual job | 0.014 | 0.760 | 0.011 | -0.003 | 0.657 | -0.002 | 0.003 | 0.493 | 0.001 |
Employment-othersa | 0.039 | -0.177 | -0.007 | -0.054 | -0.240 | 0.013 | 0.010 | -0.160 | -0.002 |
Income quintile 2 (low) | 0.118 | -0.349 | -0.041 | 0.062 | -0.319 | -0.020 | 0.027 | -0.447 | -0.012 |
Income quintile 3 | 0.032 | 0.031 | 0.001 | 0.045 | 0.060 | 0.003 | 0.039 | -0.057 | -0.002 |
Income quintile 4 | 0.037 | 0.508 | 0.019 | 0.103 | 0.401 | 0.041 | 0.028 | 0.366 | 0.010 |
Income quintile 5(high) | 0.099 | 0.910 | 0.090 | 0.112 | 0.830 | 0.093 | 0.039 | 0.799 | 0.031 |
Health insurance - National Health Insurance | -0.294 | 0.030 | -0.009 | 0.239 | 0.042 | 0.010 | 0.106 | 0.025 | 0.003 |
Region - Metro Seoul areas | 0.061 | 0.159 | 0.010 | 0.020 | 0.156 | 0.003 | 0.013 | 0.076 | 0.001 |
Place of residence - rural areas | -0.247 | -0.052 | 0.013 | 0.143 | -0.044 | -0.006 | -0.151 | -0.033 | 0.005 |
Sub-total - non-need factors | 0.150 | 0.144 | 0.063 | ||||||
Residual | 0.008 | 0.012 | 0.055 | ||||||
Normalized concentration index (CI) (95 % confidence interval) | 0.157 (0.067–0.247) | 0.139 (0.077–0.202) | 0.131 (0.102–0.162) |