As can been seen from the figure, approximately 25 % of the sample currently lived outside New Zealand with only about 30 % of the original sample still living in Dunedin. As one can imagine, there are considerable logistical challenges bringing people back from different parts of the world, accommodating and feeding them whilst in Dunedin (as well as family members on occasion), and getting them home safely. Notwithstanding this dispersion, administrative data matching remains possible in approximately 90 % of the living sample due to high mobility between New Zealand and Australia.
