Literal question
[All]
H6. Do you have a flush toilet?
[] Yes, for this household only
[] Yes, but also used by another household
[] No flush toilet
"See instructions for H3 for meaning of Also used by another household."
[All]
H7. Do you have a bathtub or shower?
[] Yes, for this household only.
[] Yes, but also used by another household
[] No bathtub or shower
"See instructions for H3 for meaning of Also used by another household."