country-specific prevalence

Country: City/Region	n	Age	Specific population	Allergen (s)	Prevalence (%)	Method	Study year [reference]
Botswana: Gaborone	55	Children & adults	Allergic	General	14.5%	Hx + SPT	2008-2009 [9]
Ghana: Greater Accra region	1431	5–16 years	School	General	5%	SPT+sIgE+ questionnaire	2006-2008 [10]
Kenya: Nairobi Nairobi	574 72	Children & adults Children & adults	General Allergic	General General	0.5% 18.1%	Hx SPT	1983-1988 [11] 1990-1991 [12]
Mozambique: Maputo	447	Adults	University	General	19.2%	Self-report	2004* [13]
Nigeria: Ile- Ife Enugu	185 1019	Unknown Children & adults	Asthmatics Eczema	General General	3.8% 3.5%	Intradermal ST+Hx Self-report	1978* [14] 1998-2000 [15]
South Africa: Bloemfontein Johannesburg Pretoria Cape Town Cape Town Cape Town Cape Town Cape Town Cape Town Cape Town	771 468 100 59 105 105 578 161 400 220	3 months-15 years 1 month-18 years 2 months-20 years 5-13 years Children & adults Children & adults Adults 1-2 years Children Teenagers	Allergic Asthmatic Asthmatic Asthmatic Volunteer Volunteer Fish worker Eczema Allergic High school	Wheat/milk Wheat/peanut Peanut/egg Sulphur dioxide Prawns/crayfish Fish/Abalone Anisakis/fish Egg/milk General General	24.4%/9.5% 30.4%/18.2% 9%/7% 43.2% 46.7%/43.8% 15%/21.3% 8%/6% 47%/28.4% 13% 5.4%	sIgE SPT SPT OFC Questionnaire Hx+SPT+sIgE SPT sIgE SPT+sIgE SPT	1984-1993 [16] 1994-1995 [17] 2006-2007 [18] 1992* [19] 1996* [20] 1996* [20, 21] 2005* [22, 23] 2002-2004* [24] 2008* [25] 2007* [26]
Zimbabwe: ‘Urban areas’	650	Children & adults	Allergic	Apple/crab	24%/22%	sIgE	2002* [27]

Hx – history; SPT – skin prick test; sIgE– food specific IgE; ST – skin test; OFC – oral food challenge.
*- study year not specified, hence year of submission or publication is listed.

Table 1: African country-specific prevalence of food allergy

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