Interdependence in active mobility adoption: Joint modelling and motivational spill-over in walking, cycling and bike-sharing

06/24/2020
by   M Said, et al.
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Active mobility, traditionally referring to modes requiring physical activity to operate, offers an array of physical, emotional, and social well-being benefits. However, with the proliferation of the sharing economy, new nonmotorized means of transport are entering the fold, complementing some existing mobility options while competing with others. The purpose of this research is to investigate the adoption of three active travel modes, namely walking, cycling and bike-sharing, in a joint modeling framework. The analysis is based on an adaptation of the stages of change framework, which originates from the health behavior sciences. The development of a multivariate ordered probit model drawing on U.S. survey data provides well-needed insights into individuals preparedness to adopt multiple active modes as a function of personal, neighborhood and psychosocial factors. The joint model structures reveal different levels of interdependence among active mobility choices. The strongest positive association is found for walking and cycling adoption, whereas other joint model effects are less evident. Identifying strongly with active mobility, experiences with multimodal travel, possessing better navigational skills, along with supportive local community norms are the factors that appear to drive the joint adoption decisions. This study contributes to the understanding of how decisions within the same functional domain are related.

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