Neighborhood Self-Selection: The Role of Pre-Move Health Factors on the Built and Socioeconomic Environment
AbstractResidential self-selection bias is a concern in studies of neighborhoods and health. This bias results from health behaviors predicting neighborhood choice. To quantify this bias, we examined associations between pre-move health factors (body mass index, walking, and total physical activity) and post-move neighborhood factors (County Sprawl Index, Census tract socioeconomic status (SES)) in the Nurses’ Health Study (n = 14,159 moves from 1986–2008). Individuals in the highest quartile of pre-move BMI (BMI > 28.4) compared to the lowest quartile (BMI < 22.5) moved to counties that averaged 2.57 points lower on the sprawl index (95% confidence interval −3.55, −1.59) indicating that individuals moved to less dense counties; however, no associations were observed for pre-move walking nor total physical activity. Individuals with higher pre-move BMI tended to move to Census tracts with lower median income and home values and higher levels of poverty. Analyses examining the change in neighborhood environments after a move demonstrated that healthy pre-move behaviors were associated with moves to worse socioeconomic environments. This type of self-selection would bias results downward, underestimating the true relationship between SES and physical activity. Generally, the magnitudes of associations between pre-move health factors and neighborhood measures were small and indicated that residential self-selection was not a major source of bias in analyses in this population. View Full-Text
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James, P.; Hart, J.E.; Arcaya, M.C.; Feskanich, D.; Laden, F.; Subramanian, S. Neighborhood Self-Selection: The Role of Pre-Move Health Factors on the Built and Socioeconomic Environment. Int. J. Environ. Res. Public Health 2015, 12, 12489-12504.
James P, Hart JE, Arcaya MC, Feskanich D, Laden F, Subramanian S. Neighborhood Self-Selection: The Role of Pre-Move Health Factors on the Built and Socioeconomic Environment. International Journal of Environmental Research and Public Health. 2015; 12(10):12489-12504.Chicago/Turabian Style
James, Peter; Hart, Jaime E.; Arcaya, Mariana C.; Feskanich, Diane; Laden, Francine; Subramanian, S.V. 2015. "Neighborhood Self-Selection: The Role of Pre-Move Health Factors on the Built and Socioeconomic Environment." Int. J. Environ. Res. Public Health 12, no. 10: 12489-12504.