Relative index of inequality with 95% CI for overall mortality, with and without adjustment for smoking
| Age | Age and smoking | % Change* | |
|---|---|---|---|
| Men | |||
| North | 1.89 (1.46 to 2.45) | 1.85 (1.42 to 2.40) | −3 (−9 to +2) |
| Centre | 1.32 (0.91 to 1.93) | 1.27 (0.87 to 1.85) | −15 (−32 to +1) |
| South | 1.72 (1.33 to 2.23) | 1.64 (1.27 to 2.12) | −8 (−14 to −3) |
| Italy | 1.69 (1.44 to 2.00) | 1.63 (1.38 to 1.92) | −8 (−11 to −4) |
| p Value† | 0.097 | 0.080 | |
| Women | |||
| North | 1.02 (0.71 to 1.46) | 1.18 (0.82 to 1.69) | +590 (+340 to +839) |
| Centre | 1.29 (0.74 to 2.24) | 1.31 (0.75 to 2.31) | +71 (−305 to +447) |
| South | 2.16 (1.45 to 3.23) | 2.13 (1.42 to 3.20) | −2 (−12 to +8) |
| Italy | 1.43 (1.13 to 1.82) | 1.54 (1.21 to 1.96) | +21 (+9 to +33) |
| p Value† | 0.015 | 0.015 | |
*Percentage change in the natural logarithm of relative index of inequality after smoking adjustment, with bootstrap 95% CI.
†Likelihood ratio test comparing the model with to the model without the interaction terms between education and regional dummy variables.