LIFE CYCLE AND HOUSEHOLD TIME-SPACE PATHS: EMPIRICAL INVESTIGATION

Abstract

The results of a research effort that explored some of the effects of stage in life cycle on the evening paths of urban households are summarized. The stage in life cycle was used as a descriptor of microscopic household factors, such as interpersonal linkage constraints and needs and propensities for evening activities, that affect activity and travel behavior. A statistical investigation that used trip records of husband and wife couples from a conventional origin-destination data set was carried out. The large sample allowed the spatial analysis of a geographic subsample and the analysis of interaction effects by means of multiway contingency-table analysis. Travel patterns of husband and wife couples were collectively represented as paths in time and space, and the associations between various path characteristics and life-cycle stages, as well as the interactive effects of other factors such as household work-trip status and individuals' household roles, were examined. The results indicate that the life-cycle stage of the household is related to many aspects of the evening path: engagement in evening out-of-home activities, type of path, participation of the spouse in the evening out-of-home activities, number of sojourns, and time of returning home. The presence of children in the household was found to have substantial impacts on the adult members' activities and travel. The stage in household life cycle was not found to be directly related to the spatial distributions of sojourns in the evening paths.

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