1996 | 2001 | 2005 | 2009 | 2013 | Trend | ||
Coefficient‡ | p Value | ||||||
Slope Index of Inequality (SII) | |||||||
Women | |||||||
SII | 0.11 | 0.11 | 0.12 | 0.11 | 0.11 | −0.0001 | NS |
(95% CI) | (0.11 to 0.12) | (0.11 to 0.11) | (0.12 to 0.13) | (0.11 to 0.11) | (0.11 to 0.12) | ||
Men | |||||||
SII | 0.13 | 0.13 | 0.15 | 0.12 | 0.11 | −0.0013 | *** |
(95% CI) | (0.13 to 0.14) | (0.13 to 0.14) | (0.14 to 0.15) | (0.11 to 0.12) | (0.11 to 0.12) | ||
Relative Index of Inequality (RII) | |||||||
Women | |||||||
RII | 2.29 | 2.14 | 2.09 | 2.02 | 2.10 | −0.0049 | *** |
(95% CI) | (2.23 to 2.34) | (2.09 to 2.19) | (2.05 to 2.13) | (1.98 to 2.06) | (2.06 to 2.15) | ||
Men | |||||||
RII | 3.98 | 4.00 | 3.79 | 3.33 | 3.45 | −0.0099 | *** |
(95% CI) | (3.85 to 4.11) | (3.88 to 4.12) | (3.69 to 3.90) | (3.24 to 3.43) | (3.34 to 3.55) |
*p<0.05; **p<0.01; ***p<0.001; NS, statistically non-significant.
*Slope Index of Inequality, by log-binomial regression using an identity link function.
†Relative Index of Inequality, by log-binomial regression using a logarithmic link function.
‡The coefficient of the interaction term of the relative occupational rank indicator and calendar year. OR (95% CI) for the trend in RII: 0.9951 (0.9936 to 0.9965) for women and 0.9902 (0.9883 to 0.9921) for men.