Fig. 1

a Proportion of responses and 95% confidence intervals related to interaction between item 5 levels (The first diagnosis was communicated by department head, ward doctor, family doctor, doctor undergoing specialised training, other physician, other healthcare worker/nurse, or relative) and levels of education: Junior high school, Senior high school, Graduate and doctorate. b Proportion of responses and 95% confidence intervals related to interaction between item 5 levels and age groups: 18–30, 31–40, 41–50, 51–60, > 60. (c) Proportion of responses and 95% confidence intervals related to the interaction between item 6 levels (The truth about diagnosis must be told always and in full or always, but in a personalised way, or never, or other) and levels of education: Junior high school, Senior high school, Graduate and doctorate