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The impact of mental health behaviour on tobacco consumption in South Africa

Nomsa Y. Nkomo, Beatrice D. Simo-Kengne and Mduduzi Biyase
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Nomsa Y. Nkomo: College of Business and Economics, University of Johannesburg
Beatrice D. Simo-Kengne: College of Business and Economics, University of Johannesburg
Mduduzi Biyase: College of Business and Economics, University of Johannesburg

Economic Development and Well-being Research Group Working Paper Series from University of Johannesburg, College of Business and Economics

Abstract: The relationship between smoking and mental health behaviours is unclear and the factors that account for their comorbidity have received limited attention. This study aims at clarifying such association in South Africa using the collated five waves of the National Income Dynamic Study. Heckman selection, double-hurdle, and control function approaches were used to account for both selection bias and endogeneity. Empirical results reveal that besides socio-economic factors, mental health behaviours proxied by depression and sleepless significantly influence more the decision to smoke than the smoking intensity. Furthermore, tobacco consumption is found to be significantly higher among males, though the gap seems to be narrowing partly due to ads pursuing the untapped female market. Interestingly, the smoking probability proves to be more prominent in the younger generation and tends to decline with the age, while married individuals have a lower likelihood to smoke and when they do; their smoking frequency is less compared to unmarried individuals.

Keywords: Depression; tobacco consumption; selection bias; endogeneity (search for similar items in EconPapers)
JEL-codes: C23 I18 L66 (search for similar items in EconPapers)
Pages: 22 pages
Date: 2021, Revised 2021
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https://edwrg.co.za/RePEc/ady/wpaper/Nkomo-Simo-Ke ... -in-South-Africa.pdf First version, 2021 (application/pdf)

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