With quantitative research methods, QOL was assessed with the Personal Wellbeing Index. Participants in the survey were 39 and between the ages of 18 and 50 years.
Með megindlega spurningalistanum Personal Wellbeing Index voru lífsgæði mæld, og þátttakendur voru 39 talsins á aldursbilinu 18 til 50 ára.