Table 1

 Activity related variables considered in the multivariate model

Walking for exerciseGolfing
Gardening or yard workExercise class or aerobics
Swimming BicyclingSkiing or snowboarding
Bowling
Popular or social danceBaseball or softball Tennis
Home exercises
Ice hockeyWeight training
Ice skatingFishing
In-line skating or roller bladingVolleyball Basketball
Jogging or running