1. During the last 7 days, on how many days did you do vigorous physical activities like heavy lifting, digging, aerobics, or fast bicycling?
days per week	□ No vigorous physical activities→Skip to question 3
2. How much time did you usually spend doing vigorous physical activities on one of those days?
hours per day	minutes per day	□ Don’t know/Not sure
3. During the last 7 days, on how many days did you do moderate physical activities like carrying light loads, bicycling at a regular pace, or doubles tennis?
days per week	□ No moderate physical activities→Skip to question 5
4. How much time did you usually spend doing moderate physical activities on one of those days?
hours per day	minutes per day	□ Don’t know/Not sure
5. During the last 7 days, on how many days did you walk for at least 10 minutes at a time?
days per week	□ No Walking→Skip to question 7
6. How much time did you usually spend walking on one of those days?
hours per day	minutes per day	□ Don’t know/Not sure
7. During the last 7 days, how much time did you spend sitting on a week day?
hours per day	minutes per day	□ Don’t know/Not sure