Participants were individuals at the age of 18 to 39 years old who suffered from musculoskeletal disease or mental disorders other than congenital according to the Social Insurance Administration disability record and had received rehabilitation-or disability pension between the years of 2012 and 2015.
Þátttakendur voru einstaklingar á aldrinum 18 til 39 ára sem glímdu við stoðkerfissjúkdóma eða geðraskanir aðrar en meðfæddar samkvæmt örorkumatsskrá Tryggingastofnunar ríkisins og höfðu fengið endurhæfingar- eða örorkulífeyrir á árunum 2012 til 2015.