Despite its theoretical and practical significance, urban social sustainability research lacks robust definition, conceptualisation and measurement. In addition, the factors influencing people's perceived feelings about their neighbourhood are underexplored. The aim of this study is twofold: First, to develop and empirically test the urban social sustainability (USS) measurement model at the neighbourhood scale that captures the multifaceted nature of this complex phenomenon. Second, to use the proposed USS model to examine the role of different physical (urban form) and personal (socio-economic) factors in promoting or weakening various aspects of neighbourhood social sustainability. We conducted factor analysis for testing the dimensionality, validity, and reliability of the USS model. Multiple regression analysis was also used to test the practical implications of the model. Our findings from 251 respondents in five case study neighbourhoods of Dunedin city, New Zealand, provide evidence that the effects of physical and personal factors can differ according to distinct USS dimensions. We found that out of the four physical factors, quality of urban design is the most influential factor, having a significant positive influence on three USS dimensions and the overall urban social sustainability. Among the personal factors, length of residence in a neighbourhood has the most influence on different USS dimensions.

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