Some characteristics of study population
| Racial background | (n = 123) |
| White caucasian | 111 |
| Mediterranean | 10 |
| Indian | 2 |
| Level of education | (n = 123) |
| Completed some high school | 46 |
| Completed year 12 | 37 |
| Tertiary education | 40 |
| Number of children in the family | (n = 124) |
| 1 child | 19 |
| 2 children | 63 |
| 3 children | 27 |
| 4 children | 9 |
| >4 children | 6 |
| Number of children with CF | (n = 124) |
| 1 child | 112 |
| 2 children | 12 |