TABLE II. PREDISPOSING AND REINFORCING FACTORS.

Factor	Examples of Quotes
Knowledge and beliefs about the health benefits of exercise	Cancer is common and so it is important to eat more vegetables and to exercise more. (Seattle man) Exercise helps keep our joints and bones flexible, and our digestion healthy. (Seattle man) My mother used to have arthritis. When she lived in Guang Zhou, she went to the park in the morning to learn tai chi. Her health is very good now. (Seattle woman) Exercise strengthens the immune system. You won’t get flu with ample exercise. (Vancouver man) Tai chi helps with the internal circulation. (Vancouver man)
Beliefs about the family benefits of exercise	Being active sidetracks problems within the family and avoids arguments. (Vancouver man) I enjoy walking because I walk with my husband. During the walk, we can discuss many things. We found that we have better communication. (Vancouver woman)
Beliefs about exercise for older people	I don’t do lots of exercise or need to now that I am getting older. (Seattle man) Younger people lift weights, but how can elders lift weights? (Seattle man) You can’t ask older people to go biking and swimming. We like something “soft” such as tai chi. (Vancouver woman)
Physician recommendation	I had wheezing and the doctor advised me to change myself. Under the doctor’s instruction, I did certain forms of exercise. (Seattle man) After getting diabetes, I felt like it was the end of the world. My doctor said you have to exercise. I followed the doctor’s recommendation to walk every day. (Seattle woman) I think the main reason to exercise is when your doctor says you are too fat or have high cholesterol. (Vancouver woman)
Support of friends	If you want to reduce your potbelly or work on your chest, it’s good to have a partner so you can encourage each other. You can motivate each other that way. (Seattle man) I like to play basketball but it’s hard to find friends to play with. So I don’t exercise a lot. (Seattle woman) One person can do tai chi. But if there’s only one person, you would lose interest. But as a group, you see each other every day. (Vancouver woman)