Trends in all-cause mortality rates per 100,000 by gender and age group.

NOTE. RRfem, Relative risk for females compared with males; CI, confidence interval; χ2, chi-squared.aMR, mortality rates per 100,000, note all-cause mortality includes deaths with undetermined cause, and are thus higher than combined communicable and non-communicable disease mortality rates.bχ2 LT, chi-squared for linear trend.cMHRR, Mantel Haenszel weighted relative risk, and Greenlands-Robins 95% confidence intervals.