Table 1 Socio-demographic characteristics of the study population (n = 98)
Variable | Â | % |
|---|---|---|
Gender | ||
 Female |  | 59 |
 Male |  | 41 |
Married | ||
 Yes |  | 64,3 |
 No |  | 35,7 |
Education | ||
 Elementary school |  | 0 |
 Middle school |  | 5,1 |
 High school |  | 45,9 |
 University |  | 49 |
Smoking | ||
 Yes |  | 34,7 |
 No |  | 65,3 |
Pain duration (mean – sd) | 14 (months) | 12,37 |
Drugs | ||
 No |  | 53 |
 Yes (NSAIDs, pain killers, etc) |  | 47 |