How do i use choice filters to select what has been selected in the previous question along with an additional none choice (in Q2)?

Hi @khasaab,

Would you mind looking at the workaround that i have done for you as shown in the image below:

In the survey sheet of your xlsform:

In the choices sheet of your xlsform:
Image%202

Data entry screen as seen in Enketo:

Reference xlsform:
choice_filter.xlsx (67.4 KB)

GOOD DAY!