Do financial hardship and social support mediate the effect of unaffordable housing on mental health?
Date
2020
Authors
Singh, A.
Aitken, Z.
Baker, E.
Bentley, R.
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Social Psychiatry and Psychiatric Epidemiology: the international journal for research in social and genetic epidemiology and mental health services, 2020; 55(6):705-713
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Ankur Singh, Zoe Aitken, Emma Baker, Rebecca Bentley
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Abstract
PURPOSE:Unaffordable housing has a negative impact on mental health; however, little is known about the causal pathways through which it transmits this effect. We examine the role of financial hardship and social support as mediators of this relationship. METHODS:We identified households where housing costs changed from affordable to unaffordable across two waves of the Household, Income and Labour Dynamics in Australia (HILDA) Survey (2014-2015). The sequential causal mediation analysis was used to decompose the total effect of unaffordable housing on mental health into the portion attributable to financial hardship and social support [natural indirect effect (NIE)] and the portion not occurring through measured pathways [natural direct effect (NDE)]. Mental health was measured using the Mental Health Inventory (MHI) and Kessler psychological distress (KPD) scale. Baseline covariates included age, sex, household income, financial hardship, social support, marital status and employment status. Bootstrapping with 1000 replications was used to calculate 95% confidence intervals (CIs). Multiple imputations using chained equations were applied to account for missing data. RESULTS:Unaffordable housing led to a change in mean mental health score on the MHI scale (- 1.3, 95% CI: - 2.1, - 0.6) and KPDS scale (0.9, 95% CI: 0.4, 1.4). Financial hardship accounted for 54% of the total effect on MHI scale and 53% on KPD scale. Collectively, financial hardship and social support explained 68% of the total effect on MHI scale and 67% on KPD scale, respectively. CONCLUSIONS:In conclusion, the negative mental health effect of unaffordable housing is largely mediated through increased financial hardship.
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© Springer-Verlag GmbH Germany, part of Springer Nature 2019.