Deputy Vice-Chancellor for Research, Postgraduate Studies and Innovation

2023

Common Risky Sexual Behaviours Among Men Who Have Sex with Men using A Modified Delphi Technique

Malefo, M. A., Mokgatle, M. M. & Ayo-Yusuf, O. A., 2023, In: Open Public Health Journal. 16, 1, e187494452212200.

Research output: Contribution to journal › Article › peer-review

Open Access

2022

A cross-sectional investigation of softening indicators among South African smokers: Results from the South African Social Attitudes Survey between 2007 and 2018

Egbe, C. O., Kulik, M. C., Londani, M., Ngobese, S. P. & Ayo-Yusuf, O. A., Jun 2022, In: Preventive Medicine Reports. 27, 101785.

Research output: Contribution to journal › Article › peer-review

Open Access

Associations between electronic cigarette use and quitting behaviours among South African adult smokers

Agaku, I., Egbe, C. O. & Ayo-Yusuf, O., 1 May 2022, In: Tobacco Control. 31, 3, p. 464-472 9 p.

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Effect of a brief motivational interview and text message intervention targeting tobacco smoking, alcohol use and medication adherence to improve tuberculosis treatment outcomes in adult patients with tuberculosis: A multicentre, randomised controlled trial of the ProLife programme in South Africa

Louwagie, G., Kanaan, M., Morojele, N. K., Van Zyl, A., Moriarty, A. S., Li, J., Siddiqi, K., Turner, A., Mdege, N. D., Omole, O. B., Tumbo, J., Bachmann, M., Parrott, S. & Ayo-Yusuf, O. A., 14 Feb 2022, In: BMJ Open. 12, 2, e056496.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Citations (Scopus)

Moving targets: how the rapidly changing tobacco and nicotine landscape creates advertising and promotion policy challenges

Ling, P. M., Kim, M., Egbe, C. O., Patanavanich, R., Pinho, M. & Hendlin, Y., 1 Mar 2022, In: Tobacco Control. 31, 2, p. 222-228 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

13 Citations (Scopus)

Prevalence and correlates of roll-your-own cigarette smoking among South African adults during 2010–2011 and 2017–2018

Nkosi, L., Agaku, I. T. & Ayo-Yusuf, O., Nov 2022, In: Tobacco Induced Diseases. 20, November, 94.

Research output: Contribution to journal › Article › peer-review

Open Access

Tobacco use among a population of women attending cervical cancer screening programs in primary health care clinics in South Africa: a cross-sectional study

Njuguna, C., Francis, J. M., Ayo-Yusuf, O., Reji, E., Akii, A. J., Ubabukoh, S., Musonda, J. M., Musonda, J. S., Ndimande, J., Mabuza, L. H. & Omole, O., 1 Sept 2022, In: Pan African Medical Journal. 43, 14.

Research output: Contribution to journal › Article › peer-review

Open Access

“Are they trying to control us people?”: News media coverage of COVID-19 lockdown tobacco sales ban in South Africa

Egbe, C. O., Ngobese, S. P., Barca, H. & Crosbie, E., Dec 2022, In: PLoS ONE. 17, 12 December, e0278888.

Research output: Contribution to journal › Article › peer-review

Open Access

2021

Associations of Government-Mandated Closures and Restrictions with Aggregate Mobility Trends and SARS-CoV-2 Infections in Nigeria

Erim, D. O., Oke, G. A., Adisa, A. O., Odukoya, O., Ayo-Yusuf, O. A., Erim, T. N., Tsafa, T. N., Meremikwu, M. M. & Agaku, I. T., 20 Jan 2021, In: JAMA network open. 4, 1, 32101.

Research output: Contribution to journal › Article › peer-review

Open Access

6 Citations (Scopus)

Circumvention of COVID-19-related restrictions on tobacco sales by the e-cigarette industry in South Africa and comparative analyses of heated tobacco product vs combustible cigarette volume sales during 2018–2020

Agaku, I. T., Egbe, C. O. & Ayo-Yusuf, O. A., Jul 2021, In: Preventive Medicine. 148, 106526.

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Geospatial spread of e-cigarette vape shops in South Africa and the relationship with tobacco product use among adults

Agaku, I. T., Egbe, C. O. & Ayo-Yusuf, O. A., Mar 2021, In: Health and Place. 68, 102507.

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

On- and off-licensed premises drinking behaviour among adults in the city of Tshwane, South Africa: An analysis of data from the International Alcohol Control study

Londani, M., Morojele, N. K., Egbe, C. O., Nel, E., Petersen Williams, P., Harker, N. & Parry, C. D. H., Mar 2021, In: Drug and Alcohol Review. 40, 3, p. 443-453 11 p.

Research output: Contribution to journal › Article › peer-review

Potential revenue from taxing e-cigarettes and comparison of annual costs of daily e-cigarette use versus daily cigarette smoking among South African adults

Agaku, I. T., Egbe, C. O. & Ayo-Yusuf, O. A., Jan 2021, In: Tobacco Induced Diseases. 19, 131861.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Citations (Scopus)

Smoking cessation advice and quit attempts in South Africa between 2007 and 2017: A cross-sectional study

Ayo-Yusuf, O. A. & Omole, O. B., Feb 2021, In: Tobacco Induced Diseases. 19, February, 132148.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Citations (Scopus)

State specific estimates of vaccine hesitancy among US adults

Omaduvie, U., Bachuwa, G., Ayo-Yusuf, O. A., Vardavas, C. I. & Agaku, I., 2021, In: Population Medicine. 3, December, 33.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Citations (Scopus)

Utilisation of smoking cessation aids among South African adult smokers: findings from a national survey of 18 208 South African adults

Agaku, I., Egbe, C. & Ayo-Yusuf, O., 1 Jan 2021, In: Family Medicine and Community Health. 9, 1

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

2020

Addressing tobacco smoking and drinking to improve TB treatment outcomes, in South Africa: A feasibility study of the ProLife program

Louwagie, G. M., Morojele, N., Siddiqi, K., Mdege, N. D., Tumbo, J., Omole, O., Pitso, L., Bachmann, M. O. & Ayo-Yusuf, O. A., 1 Dec 2020, In: Translational Behavioral Medicine. 10, 6, p. 1491-1503 13 p.

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Factors influencing alcohol use among female in-school adolescents in the Western Cape, South Africa

Hlomani-Nyawasha, T. J., Meyer-Weitz, A. & Egbe, C. O., Dec 2020, In: South African Journal of Psychology. 50, 4, p. 574-586 13 p.

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Nicotine dependence,socioeconomic status,lifestyle behaviours and lifetime quit attempts among adult smokers in South Africa

Ayo-Yusuf, O. A. & Omole, O. B., Aug 2020, In: South African Medical Journal. 110, 8, p. 796-801 6 p.

Research output: Contribution to journal › Article › peer-review

Open Access

5 Citations (Scopus)

Non-smoker’s exposure to second-hand smoke in South Africa during 2017

Ngobese, S. P., Egbe, C. O., Londani, M. & Ayo-Yusuf, O. A., 1 Nov 2020, In: International Journal of Environmental Research and Public Health. 17, 21, p. 1-11 11 p., 8112.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Citations (Scopus)

Text messaging promoting physician-led brief intervention tobacco cessation: A before-and-after study among physicians in three tertiary hospitals in Nigeria

Odukoya, O., Faseru, B., Uguru, N., Jamda, M., Onigbogi, O., James, O., Leischow, S. & Ayo-Yusuf, O., 2 Apr 2020, In: Substance Abuse. 41, 2, p. 186-190 5 p.

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

The need to regulate electronic cigarettes amidst health concerns: Let's follow the evidence

Egbe, C. O., London, L., Kalideen, S., Delobelle, P. & Datay, I., 26 Feb 2020, In: South African Medical Journal. 110, 3, p. 178-179 2 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Citations (Scopus)

2019

ImPROving TB outcomes by modifying LIFE-style behaviours through a brief motivational intervention followed by short text messages (ProLife): Study protocol for a randomised controlled trial

Moriarty, A. S., Louwagie, G. M., Mdege, N. D., Morojele, N., Tumbo, J., Omole, O. B., Bachmann, M. O., Kanaan, M., Turner, A., Parrott, S., Siddiqi, K. & Ayo-Yusuf, O. A., 26 Jul 2019, In: Trials. 20, 1, 457.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Citations (Scopus)

Multi-Sectoral Approach to Noncommunicable Disease Prevention Policy in Sub-Saharan Africa: A Conceptual Framework for Analysis

Sanni, S., Wisdom, J. P., Ayo-Yusuf, O. A. & Hongoro, C., 1 Apr 2019, In: International Journal of Health Services. 49, 2, p. 371-392 22 p.

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

News media coverage of shisha in Nigeria from 2014 to 2018

Abraham, E. A., Egbe, C. O. & Ayo-Yusuf, O. A., 2019, In: Tobacco Induced Diseases. 17, April, 33.

Research output: Contribution to journal › Article › peer-review

Open Access

10 Citations (Scopus)

Tobacco use and nicotine dependence among people living with HIV who drink heavily in South Africa: A cross-sectional baseline study

Egbe, C. O., Londani, M., Parry, C. D. H., Myers, B., Shuper, P. A., Nkosi, S. & Morojele, N. K., 16 Dec 2019, In: BMC Public Health. 19, 1, 1684.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Citations (Scopus)

Tobacco use and oral sex practice among dental clinic attendees

Wood, N. H., Ayo-Yusuf, O. A., Gugushe, T. S. & Bogers, J. P., Mar 2019, In: PLoS ONE. 14, 3, e0213729.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Citations (Scopus)

2018

Characteristics of "American snus" and Swedish snus products for sale in Massachusetts, USA

Seidenberg, A. B., Ayo-Yusuf, O. A. & Rees, V. W., 1 Feb 2018, In: Nicotine and Tobacco Research. 20, 2, p. 262-266 5 p., ntw334.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Citations (Scopus)

Expanded description of Lamproglena cleopatra Humes, 1957 (Lernaeidae: Copepoda) from Labeo spp. (Cyprinidae) with a key to species of Lamproglena von Nordmann, 1832

Kunutu, K. D., Tavakol, S., Halajian, A., Baker, C., Paoletti, M., Heckmann, R. A. & Luus-Powell, W. J., 1 Jan 2018, In: Systematic Parasitology. 95, 1, p. 91-103 13 p.

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Morphology of Emoleptalea nwanedi n. sp. from Schilbe intermedius from Nwanedi-Luphephe Dam, Limpopo Province, South Africa

King, P. H., Smit, W. J., Baker, C. & Luus-Powell, W. J., 1 Mar 2018, In: Helminthologia. 55, 1, p. 70-76 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

2 Citations (Scopus)

2017

Tobacco cessation interventions in tertiary hospitals in Nigeria: An audit of patient records

Odukoya, O., Jamda, M., Onigbogi, O., Uguru, N., Onigbogi, M., James, F., Faseru, B., Leischow, S. & Ayo-Yusuf, O., 1 Aug 2017, In: Nicotine and Tobacco Research. 19, 8, p. 983-989 7 p.

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Tobacco use among people living with HIV: analysis of data from Demographic and Health Surveys from 28 low-income and middle-income countries

Mdege, N. D., Shah, S., Ayo-Yusuf, O. A., Hakim, J. & Siddiqi, K., 1 Jun 2017, In: The Lancet Global Health. 5, 6, p. e578-e592

Research output: Contribution to journal › Article › peer-review

Open Access

62 Citations (Scopus)

2016

Exposure and response to current text-only smokeless tobacco health warnings among smokeless tobacco users aged ≥18 years, United States, 2012-2013

Agaku, I. T., Singh, T., Rolle, I. V. & Ayo-Yusuf, O. A., 1 Jun 2016, In: Preventive Medicine. 87, p. 200-206 7 p.

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

First Introduction of Two Australian Temnocephalan Species into Africa with an Alien Host: Double Trouble

Tavakol, S., Luus-Powell, W. J., Smit, W. J., Baker, C., Hoffman, A. & Halajian, A., Dec 2016, In: Journal of Parasitology. 102, 6, p. 653-658 6 p.

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Permissiveness toward tobacco sponsorship undermines tobacco control support in Africa

Ayo-Yusuf, O. A., Olutola, B. G. & Agaku, I. T., 10 Jun 2016, In: Health Promotion International. 31, 2, p. 414-422 9 p.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Citations (Scopus)

2015

Cigarette smoking trends and social disparities among South African adults, 2003-2011

Ayo-Yusuf, O. A., Olutola, B. G. & Agaku, I. T., 22 Apr 2015, In: Nicotine and Tobacco Research. 17, 8, p. 1049-1055 7 p.

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Predictors of tobacco smoking abstinence among tuberculosis patients in South Africa

Louwagie, G. M. C. & Ayo-Yusuf, O. A., 1 Jun 2015, In: Journal of Behavioral Medicine. 38, 3, p. 472-482 11 p.

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

The relationship between secondhand smoke exposure, pro-tobacco social influences, and smoking susceptibility among nonsmoking zambian adolescents

Agaku, I. T., Maliselo, T. & Ayo-Yusuf, O. A., 23 Feb 2015, In: Substance Use and Misuse. 50, 3, p. 387-393 7 p.

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

2014

A comparison of cessation counseling received by current smokers at us dentist and physician offices during 2010-2011

Agaku, I. T., Ayo-Yusuf, O. A. & Vardavas, C. I., Aug 2014, In: American Journal of Public Health. 104, 8, p. e67-e75

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Exposure to secondhand smoke and voluntary adoption of smoke-free home and car rules among non-smoking South African adults

Ayo-Yusuf, O. A., Olufajo, O. & Agaku, I. T., 10 Jun 2014, In: BMC Public Health. 14, 1, 580.

Research output: Contribution to journal › Article › peer-review

Open Access

15 Citations (Scopus)

Gender and racial differences in smoking of long/ultra-long and king size cigarettes among U.S. adult smokers, NHANES 1999-2012

Agaku, I. T., Vardavas, C. I., Ayo-Yusuf, O. A., Alpert, H. R. & Connolly, G. N., 1 Mar 2014, In: Drug and Alcohol Dependence. 136, 1, p. 28-35 8 p.

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Implementing tobacco dependence treatment during clinical consultations: A qualitative study of clinicians' experiences, perceptions and behaviours in a South African primary health care setting

Omole, O. B., Ayo-Yusuf, O. A. & Ngobale, K. N. W., 6 May 2014, In: BMC Family Practice. 15, 1, 85.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Citations (Scopus)

Poly-tobacco use among adults in 44 countries during 2008-2012: Evidence for an integrative and comprehensive approach in tobacco control

Agaku, I. T., Filippidis, F. T., Vardavas, C. I., Odukoya, O. O., Awopegba, A. J., Ayo-Yusuf, O. A. & Connolly, G. N., 2014, In: Drug and Alcohol Dependence. 139, p. 60-70 11 p.

Research output: Contribution to journal › Article › peer-review