Table 1.
Main content of the questionnaire
| Variable | Social ecology theory | Evaluation elements | Description | Variable classification |
|---|---|---|---|---|
| Dependent variables | Physical Activity time | Time range: below 30 min to 4 h and above | Sequencing the dependent variable | |
| Physical Activity frequency | Frequency range: every year, month, week, day | Sequencing the dependent variable | ||
| Independent variables | Individual factors | Age | Adults | Continuous variable |
| Gender | Male and female | Dummy variable (1 = male, 0 = female) | ||
| Wage | 2000 RMB to 20,000 RMB or more | Continuous variable | ||
| Interpersonal factors | Companion | Family, classmates and friends, colleagues, a single person, team, relatives, others | Dummy variable (1 = family, 2 = classmates or friends, 3 = colleagues, 4 = single, 5 = team, 6 = relatives, 7 = others) | |
| Community factors | Accessibility | Public transportation is convenient, distance to settlements, time and money spent, entrances and exits set | Factor variable | |
| Safety | Barrier-free design, related logo, night lighting, security patrols | Factor variable | ||
| Natural factors | Space environment | Air noise, cleanliness, vegetation coverage, environmental compatibility | Factor variable | |
| Landscape quality | Rich vegetation, rich landscape changes, good natural scenery | Factor variable | ||
| Built environment factors | Entertainment facilities | Race track, swimming pool, chess room, stone road, area for square dance or kung fu, Tai Chi, roller skating field, sports equipment and venue | Dummy variable (1 = yes, 0 = none) | |
| The area of green open space | Range: 0–1250 m2 | Continuous variable | ||
| Size of open space | Range: 1.88–4666.67 ha | Continuous variable | ||
| Infrastructure | Toilets, shelters, tables, and chairs, facilities, and convenience stores | Dummy variable |