The Association between Socioeconomic Status and Psychological Distress: A Within and Between Twin Study
Janine R Lam, Jessica Tyler, Katrina J Scurrah, Nicola J Reavley, Gillian S Dite
Twin Research and Human Genetics | CAMBRIDGE UNIV PRESS | Published : 2019
Low socioeconomic status (SES) has been established as a risk factor for poor mental health; however, the relationship between SES and mental health problems can be confounded by genetic and environmental factors in standard regression analyses and observational studies of unrelated individuals. In this study, we used a within-pair twin design to control for unmeasured genetic and environmental confounders in investigating the association between SES and psychological distress. We also employed within-between pair regression analysis to assess whether the association was consistent with causality. SES was measured using the Index of Relative Socio-economic Disadvantage (IRSD), income and the..View full abstract
Awarded by Centre of Research Excellence Grant, from the National Health and Medical Research Council
This research was facilitated through access to Twins Research Australia, a national resource supported by a Centre of Research Excellence Grant (ID: 1079102), from the National Health and Medical Research Council. We greatly appreciate Dr Humaira Maheen's invaluable guidance in using the Australian Socioeconomic Index 2006.