Fig. 2From: Non-response bias in the analysis of the association between mental health and the urban environment: a cross-sectional study in Brussels, BelgiumAssociation between non-response and urban environment indicators. Models A are univariate regression models. Models B are adjusted regression models for gender, age, reported household income and year of the BHIS. Levels of significance: ‘***’ = p < 0.0001, ‘**’ = p < 0.001, ‘*’ = p < 0.01, ‘·’ = p < 0.05Back to article page