Total number of deaths, seasonal variation (peak-nadir) in the ratio of observed to expected deaths, and percentage of variance explained (R2) by the cosinor function for overall and cause-specific mortality.

Countries are ordered according to mean latitude. CVD: Cardiovascular disease.* Seasonal variation statistically significant at 5% level;** Seasonal variation statistically significant at 1% level;*** Seasonal variation statistically significant at Total number of deaths, seasonal variation (peak-nadir) in the ratio of observed to expected deaths, and percentage of variance explained (R2) by the cosinor function for overall and cause-specific mortality.