| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Almost never | 1176 |
38.1%
|
| 2 | 2. Once a month | 480 |
15.6%
|
| 3 | 3. 2-3 times a month | 344 |
11.2%
|
| 4 | 4. Once a week | 459 |
14.9%
|
| 5 | 5. At least once a day | 576 |
18.7%
|
| 6 | 6. Special needs,cannot do exercise:sick | 33 |
1.1%
|
| 7 | 7. Refused answer | 9 |
0.3%
|
| 9 | 9.Missing | 8 |
0.3%
|