Table 1. Biodemographic characteristics of study participants in Hail, Saudi Arabia.
| Bio-demographic data | N | % |
| Age (years) | ||
| 18-25 | 172 | 43.5 |
| 26-35 | 42 | 10.6 |
| 36-50 | 112 | 28.4 |
| 51-60 | 57 | 14.4 |
| >60 | 12 | 3.0 |
| Gender | ||
| Male | 193 | 48.9 |
| Female | 202 | 51.1 |
| Nationality | ||
| Saudi | 390 | 98.7 |
| Non-Saudi | 5 | 1.3 |
| Educational level | ||
| Secondary/below | 70 | 17.7 |
| University level | 298 | 75.4 |
| Post-graduate degree | 27 | 6.8 |
| Profession specialty | ||
| Non-healthcare staff | 308 | 78.0 |
| Healthcare staff | 87 | 22.0 |
| Had a renal disease history | ||
| Yes | 37 | 9.4 |
| No | 358 | 90.6 |
| Family history of renal stones | ||
| Yes | 182 | 46.1 |
| No | 213 | 53.9 |