Maybe you could do the same as outlined in the image as shown below:
In the survey tab of your xlsform:
In the choices tab of your xlsform:
Data entry screen as seen in Enketo:
Reference xlsform:
Household Repeat Example.xlsx (29.0 KB)
Maybe you could do the same as outlined in the image as shown below:
Household Repeat Example.xlsx (29.0 KB)