The present study is a part of a follow-up study on the physical health of these participants including measurements of blood pressure, hight, weight, skinfolds and waist circumference as well as fitness and physical activity, adding questions about pain.
Þau svöruðu spurningalista m.a. um stoðkerfisverki, mældur var blóðþrýstingur, hæð, þyngd, húðfellingar og mittismál.