... physicalactivity without feeling out of breath or sweating, (3)physical activity with feeling out of breath or sweatingonce a week, (4) physical activity with feeling out of breath or sweating twice ... (5) physical activity with feeling out of breath or sweating three times aweek, and (6) physical activity with feeling out of breathor sweating at least four times a w eek. In the analysis,the ... Tampere,Finland.4The National Institute for Health and Welfare, Helsinki, Finland.5Defence Command, Personnel Division, Finnish Defence Forces, Finland.6Department of Biology of Physical Activity,...