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Health and cancer prevention: implications of the knowledge and beliefs of 15-16 year old school pupils in South Africa

Human Biochemistry Research Unit, Department of Tropical Diseases, School of Pathology of the University of the Witwatersrand, and the South African Institute for Medical Research, Johannesburg, South Africa

B.F. Walker

Dipl Dom Sci, Human Biochemistry Research Unit, Department of Tropical Diseases, School of Pathology of the University of the Witwatersrand, and the South African Institute for Medical Research, Johannesburg, South Africa

J. Jerling, PhD

Department of Nutrition and Family Ecology, Potchefstroom University for Christian Higher Education, Potchefstroom, South Africa

K. Rossouw, BSc.

Chronic Diseases of Lifestyle Programme, South African Medical Research Council, Tygerberg, South Africa

A. Lelake, BA

Human Biochemistry Research Unit, Department of Tropical Diseases, School of Pathology of the University of the Witwatersrand, and the South African Institute for Medical Research, Johannesburg, South Africa

The objective was to collect information from African and white pupils aged 15-16 years on their knowledge of and attitudes towards cancer, and their understanding of health-related behaviours in relation to their future experience. Questionnaires were completed by a series of 338 African and 378 white pupils in suburban secondary schools. African and white pupils knew most about lung cancer, and had some knowledge of skin and breast cancers.. Smoking was seen by most as the chief cause of the disease. Half of both groups perceived a high intake of vegetables and fruit as protective. Television and printed media were the most important sources of information. The children in both groups were more anxious about unemployment and violence, and also, among African children, about AIDS, than about future ill-health. Thus, health was not perceived by many as the most important goal in life. Discussion indicates that white adolescents and also white adults, with more advanced understanding of cancer causation, make very limited use of their knowledge, dietary and non-dietary, to avoid the disease. In brief, level of cancer knowledge has very limited implications. Although young Africans in the course of their transition are very unlikely to seek to diminish their risk of cancer, there must be no lessening of urgent warnings and advice through the media on the avoidance of the disease.

Key Words: Children • cancer knowledge • beliefs • attitudes

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