Estimating income-related and area-based inequalities in mental health among nationally representative adolescents in Australia: the concentration index approach

Islam, Md Irteja and Ormsby, Gail M. and Kabir, Enamul ORCID: https://orcid.org/0000-0002-6157-2753 and Khanam, Rasheda ORCID: https://orcid.org/0000-0003-1130-2357 (2021) Estimating income-related and area-based inequalities in mental health among nationally representative adolescents in Australia: the concentration index approach. PLoS One, 16 (9):e0257573. pp. 1-14.

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Abstract

Despite the awareness of the importance of mental health problems among adolescents in developed countries like Australia, inequality has not been widely researched. This study, is therefore, aimed to measure and compare household income-related and area-based socioeconomic inequalities in mental health problems (bullying victimization, mental disorders – single and multiple, self-harm and suicidality – ideation, plan and attempt) among Australian adolescents aged 12-17 years. Young Minds Matter (YMM) - the 2nd national cross-sectional mental health and well-being survey involving Australian children and adolescents conducted in 2013-14, was used in this study to select data for adolescents aged 12-17 years (n=2521). Outcome variables included: bullying, mental disorders, self-harm, and suicidal ideation, plan and attempt. The Erreygers’s corrected concentration index (CI) approach was used to measure the socioeconomic inequalities in mental health problems using two separate rank variables – equivalised household income quintiles and area-based Index of Relative Socioeconomic Advantage and Disadvantage (IRSAD) quintiles. The prevalence of mental health problems in the previous 12-months among these study participants were: bullying victimization (31.1%, 95% CI: 29%-33%), mental disorder (22.9%, 95% CI: 21%-24%), self-harm (9.1%, 95% CI: 8%-10%), suicidal ideation (8.5%, 95% CI: 7%-10%), suicidal plan (5.9%, 95% CI: 5%-7%) and suicidal attempt (2.8%, 95% CI: 2%-3%). The concentration indices (CIs) were statistically significant for bullying victimization (CI=-0.049, p=0.020), multiple mental disorders (CI=-0.088, p=<0.001), suicidal ideation (CI=-0.023, p=0.047) and suicidal attempt (CI=-0.021, p=0.002), implying pro-poor socioeconomic inequalities based on equivalized household income quintiles. Similar findings revealed when adolescents mental health inequalities calculated on the basis of area based IRSAD (Index of Relative Socio-economic Advantage and Disadvantage) quintiles. Over-all, adolescents from economically worse-off families experienced more mental health-related problems compared to those from economically better-off families. This has implications for prevention strategies and government policy in order to promote mental health and provide equitable healthcare facility.


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Item Type: Article (Commonwealth Reporting Category C)
Refereed: Yes
Item Status: Live Archive
Additional Information: Copyright: © 2021 Islam et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Faculty/School / Institute/Centre: Current - Faculty of Business, Education, Law and Arts - School of Business (18 Jan 2021 -)
Faculty/School / Institute/Centre: Current - Institute for Resilient Regions - Centre for Health Research (1 Apr 2020 -)
Date Deposited: 22 Sep 2021 02:23
Last Modified: 04 Nov 2021 02:17
Uncontrolled Keywords: bullying victimization; mental disorder; self-harm; suicidality; socioeconomic inequality; adolescents; concentration index
Fields of Research (2008): 14 Economics > 1402 Applied Economics > 140208 Health Economics
Fields of Research (2020): 38 ECONOMICS > 3801 Applied economics > 380108 Health economics
Identification Number or DOI: https://doi.org/10.1371/journal.pone.0257573
URI: http://eprints.usq.edu.au/id/eprint/43683

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