Research on the built environment and physical activity has become a hot topic in the field of urban planning. When discussing the relationship between the built environment and physical activity, how to measure physical activity reasonably and effectively is an important technical link that determines whether the research is accurate and reliable. At present, the measurement methods of physical activity in domestic and foreign research lack a systematic analysis. Based on the analysis of 27 empirical studies on the relationship between the built environment and physical activity, this paper explores the scope of application of different measurement methods of physical activity from the perspectives of economic cost, observation unit, and information collection. The research shows that:① Self-report questionnaires can provide information of built environment, but may overestimate the intensity of physical activity;② a single motion sensor can record the duration, intensity and frequency of physical activity objectively and precisely, but cannot reflect the environment information and the types of physical activity;③ the combination of two methods provide more possibilities for measuring physical activity. Currently, the relationship between the built environment and physical activity in urban China has not yet been clarified. In the future research of healthy cities, it is recommended to consider the status quo of China’s high-density urban built environment, select appropriate measurement methods and recording tools, and comprehensively record the physical activity characteristics of urban residents, so as to better reveal the influence mechanism of the built environment on physical activity.
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