Very Light: (most of day sitting at work or at home, a little slow walking, some standing and light household chores)
Light: (mostly sedentary, standing or slow walking, but including about 2 hours a day of further activity - e.g. gardening, heavy housework, brisk walking)
Moderate: (some occupational walking rather than just sedentary work, plus a little vigorous additional exercise, e.g. dancing, swimming)
Heavy: (high levels of activity, both at work and in leisure hours)