Exercise Intensity and Longevity in Men

摘要: To the Editor. —The article by Dr Lee and colleagues 1 on intensity of physical activity longevity provides additional evidence that is associated with improved survival. Some points, however, may require further clarification. Different criteria were used to categorize energy expenditure in specific analytical approaches. Quintiles shown Table total multivariate analysis (range, 13142 kJ/wk), eight categories when analyzing age-adjusted associations mortality 14 700 kJ/wk, 2), five models 6300 Tables 3 4). Consequently, it impossible match results across tables. This confuse readers, reasons for presenting data such different groupings are not known. Vigorous, but nonvigorous, activities longevity. From a practical point