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Ment Illn. 2011 Sep 8;3(1):e6. doi: 10.4081/mi.2011.e6. eCollection 2011 Feb 22.

Prevalence and associated risk factors of Kola nut chewing among secondary school students in Osogbo, Nigeria.

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Department of Psychiatry, College of Medicine of University of Lagos, Idiaraba;
Department of Psychiatry, Ladoke Akintola University of Technology, Ogbomosho;
Department of Psychiatry, Olabisi Onabanjo University, Ago-Iwoye, Nigeria.
Lagos state hospital management board, Ikorodu, Lagos;
Neuropsychiatry Psychiatry Hospital, Yaba, Lagos;


The objectives of this study were to determine the prevalence and pattern of Kola nut use among secondary school students in Osogbo, Osun State, Nigeria. The study also aimed to determine the association of socio-demographic variables (of the students and their parents) with kola nut chewing. A questionnaire consisting of socio-demographic variables, the stimulant use section of the WHO Students Drug Use Questionnaire was administered on three hundred and eighty-five (385) randomly selected students of the two Local Government Areas of Osogbo. The prevalence rate of kola nut use was calculated and some socio demographic variables were determined. The 30-day prevalence rate of kola nut use was 11.2%. The one-year prevalence of kola nut use was 29.1 percent and the lifetime rate was 74.8 percent. Majority of users started at age 14 years or below. Kola nut use was associated with lower age group, poor school attendance, polygamous background, low education of mother, high education of father and the description of mother as being too permissive. The findings suggest the need to increase the awareness of the dangers of kolanut use among adolescents. Control program are urgently needed to prevent student wastage.


Kolanut; Osogbo.; adolescents; prevalence

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