Fig. 2

a Strategy 2 - Splitting variables, proportion of study population and prevalence of non-DVI within subgroups detected by CIT-analysis (α-level = 1%) based on sex/gender related aspects and socio-cultural, socio-demographic and socio-economic variables of the full sample. b Splitting variables of the CIT-analysis (α-level = 1%; Fig. 2a) based on sex/gender related aspects and socio-cultural, socio-demographic and socio-economic variables of the full sample (Fig. 2a) with prevalence of non-DVI stratified by male/female