Fig. 3

Association between non-response to depressive disorders related questions and socio-economic indicators (univariate regression models C and fully adjusted regression model E) and between depressive disorders and socio-economic indicators (univariate regression models D and fully adjusted regression model F). Levels of significance: ‘***’ = p < 0.0001, ‘**’ = p < 0.001, ‘*’ = p < 0.01, ‘·’ = p < 0.05