| Value | Category |
|---|---|
| 1 | Cellphone |
| 2 | Public phone |
| 3 | Telephone at home |
| 4 | Telephone elsewhere |
| 5 | Computer at home |
| 6 | Computer elsewhere |
| 7 | Internet at home |
| 8 | Internet elsewhere |
| 9 | E-mail at home |
| 10 | E-mail elsewhere |
| 11 | Fax machine at home |
| 12 | Fax machine elsewhere |
| 96 | None of the above |
| 99 | Not specified |