Figure 1. Restricted cubic splines modeling the relationship between distance to blue space and odds of high depressive symptoms in 9,385 adolescents living in the United States in 1999 (N=1,038 cases).

¹ Adjusted for census region, census tract percent white, census tract median income, census tract median home value, census tract percent college degree, census tract urbanicity, estimated PM_2.5, participant race/ethnicity, participant gender, household income, paternal education, maternal history of depression