“…This would be a sign that factors shared by the twins, for instance family socioeconomic status, are of importance for those associations. In contrast with a recent Finnish study (54), which also applied a JEM to the data and found an association between high job strain and DP due to depression among women (HR 1.24, 95% CI 1.00-1.53), there was no such association in our study. This contrast may be due to differences in study designs and participants; that is, the Finnish study was based on municipal workers with shorter follow-up time (five years), only included one mental diagnosis (ie, depression), and did not take account of familial confounding.…”