Mean values (±SEM) of back-ground data in the four groups; highly active men (HAM), normally active men (NAM), highly active women (HAW) and normally active women (NAW).

Two types of statistical analyses were made. First an ANOVA to compare the four groups with respect to variables displayed and Secondly the result of the two way ANOVA displaying the effects (p-values) of sex, fitness level and interaction (sex*fitness level) for the variables.* denotes significant group difference or effect.Body Mass Index (BMI), Blood pressure (BP), Godin Leisure-Time Exercise Questionnaire (GLTEQ), Exercise times/week (GLTEQ4).Mean values (±SEM) of back-ground data in the four groups; highly active men (HAM), normally active men (NAM), highly active women (HAW) and normally active women (NAW).