Arctic Yearbook 2014 | Page 110

Arctic Yearbook 2014 110 Data The study is based on registered individual data for the period 1995–2009 collected by SCB and compiled into the Swedish Longitudinal Integration Database for Health Insurance and Labour Market Studies. The Demographic Data Base of Umeå University was the source of the data. Two per cent of native women of reproductive age and married to a Swedish-born partner and residing in Västerbotten and Norrbotten were selected randomly as the reference group (5652 observations in 2009). The entire female immigrant population of working age residing i