Table 1. Socio-demographics characteristics of 1255 FSWs recruited in nine cities of Argentina between 2006 and 2009.
| n/N | Frequency (%) | ||
| Nationality | Argentinean | 890/1252 | 71.1 |
| Other | 362/1252 | 28.9 | |
| Formal Education Level | Any | 121/1249 | 9.7 |
| Elementary school | 698/1249 | 55.9 | |
| High school | 372/1249 | 29.8 | |
| More than high school | 58/1249 | 4.6 | |
| Civil status | Single | 756/1251 | 60.4 |
| Divorced | 174/1251 | 13.9 | |
| Living with a partner | 146/1251 | 11.6 | |
| Married | 128/1251 | 10.2 | |
| Widow | 47/1251 | 3.8 | |
| Have a sexual partner | Yes | 624/1249 | 50.0 |
| Regular use of condom with sexual partner | Yes | 110/624 | 17.6 |
| Have children | Yes | 1053/1224 | 86.0 |
| Place of clients contact | Streets | 676/1255 | 53.9 |
| Private places | 399/1255 | 31.8 | |
| Bar | 180/1255 | 14.3 | |
| Regular use of condom with clients | Yes | 1100/1241 | 88.6 |