| Value | Category | 
|---|---|
| -9 | Don't know | 
| -7 | Legal skip | 
| -6 | Unfinished questionnaire | 
| -3 | Interviewer error | 
| 1 | flush / pour type toilet connected to piped sewer system | 
| 2 | flush / pour type toilet connected to septic tank | 
| 3 | flush / pour type toilet connected to pit latrine | 
| 4 | flush / pour type toilet connected elsewhere/ connection unknown | 
| 5 | ventilated improved pit latrine (vip) | 
| 6 | pit latrine with slab | 
| 7 | open pit | 
| 19 | other |