Table 2.
Variables names and descriptions.
| Variable name | Description |
|---|---|
| Socio-demographics | |
| Gender | Male, Female |
| Grade | Sophomore, Junior, Senior |
| Body Mass Index (BMI) | BMI = Weight (kg) / Height (m) ^ 2 |
| Academic performance (hundred mark system) | 90 or above, 89–80, 79–70, 69 or below |
| Monthly expenditure (RMB) | More than 3000, 2000–3000, 1000–2000, <1000 |
| Exercise frequency (times per week) | 0, 1–2, 3–5, 6 or above |
| Perceived built environment | |
| Accessibility | Shopping and dining areas are within easy distance on campus. |
| Classrooms and self-study rooms are within easy distance on campus. | |
| There are many places to go within easy walking distance on campus. | |
| Road condition and safety | The surface of footpaths on campus is well maintained in general. |
| (Traffic safety) Walking on campus is safe. | |
| (Personal safety) The campus streets are well lit at night and we feel safe to walk on campus. | |
| Aesthetics | There are trees along the streets on campus. |
| There is shade along the streets on campus. | |
| Attitudes | |
| Walking attitudes | I enjoy walking on campus. |
| I walk because it is good for health. | |
| Walking behavior | |
| Number of walking trips on weekend | The number of walking trips on Sunday. |
| Number of walking trips on weekday | The number of walking trips on Monday. |
| Physical and mental state | |
| Physical and mental state on weekend | Physical and mental state score on Sunday. |
| Physical and mental state on weekday | Physical and mental state score on Monday. |
| Impact of COVID-19 pandemic | |
| COVID-19 impact | The COVID-19 pandemic has a negative impact on me.# |
| Note: #Reversed item. | |