TABLE 1
CONSANGUINEOUS MARRIAGE IN AFRICA
Region/country Location/ community Collection period Study population Sample size Consanguinity(%) Consanguinity types Coefficient of inbreeding (?) Reference Added
East Africa
Tanzania Pangani, Muslim - Household survey 503 0.378 1C 0.0236 Tanner (1958)
North Africa
Algeria Algeria, urban 1970 Civil registration - 0.275 1C,2C 0.0136 Benallègue & Kedji (1984)
Algeria, rural 1970 Civil registration - 34 1C,2C 0.0169 Benallègue & Kedji (1984)
All-Algeria 1979 Civil registration 120,491 22.6 1C,2C - Benallègue & Kedji (1984)
Egypt Alexandria 1961/64 Obstetric inpatients 9,475 0.328 >1C,1C,<1C - Stevenson et al. (1966)
Nubia 1965/67 Household survey 281 60.5 1C,<1C 0.0245 Hussien (1971)
Nubia, Fadetchi 1967/68 Household survey 611 61.4 D1C,1C,11/2C,2C 0.0329 Badr (1972)
Nubia, Kenuzi 1967/68 Household survey 757 0.62 D1C,1C,11/2C,2C 0.0335 Badr (1972)
Nubia, Arabs 1967/68 Household survey 414 69.8 D1C,1C,11/2C,2C 0.0338 Badr (1972)
All-Nubia 1967/68 Household survey 1,782 63.6 D1C,1C,11/2C,2C 0.0334 Badr (1972)
All-Egypt 1970s Household survey 505 23.2 1C 0.0145 Habib & Böök (1983)
All-Egypt, urban - School/ workplace survey 7,646 22.1 D1C,1C,11/2C,2C 0.0092 Hafez et al. (1983)
All-Egypt, suburban - School survey/ hospital outpatients 11,280 26.8 D1C,1C,11/2C,2C 0.0105 Hafez et al. (1983)
All-Egypt, rural - Household survey 7,628 39.1 D1C,1C,11/2C,2C 0.0147 Hafez et al. (1983)
All-Egypt - Household/ school/ workplace survey/hospital outpatients 26,554 29 D1C,1C,11/2C,2C 0.0101 Hafez et al. (1983)
Alexandria 1998/00 General population 2,081 15.9 1C 0.0099 Mokhtar & Abdel-Fattah (2001)
All-Egypt - Hospital outpatients 10,000 23.3 D1C,1C,11/2C,2C 0.0135 Shawky et al. (2011)
South Sinai - General population 3,961 37.5 D1C,1C,2C 0.0185 Yamamah et al. (2013)
Libya Benghazi 1982/85 Family clinic 636 0.376 1C,2C 0.0209 Abudejaja et al. (1987)
Morocco All-Morocco 1982/92 Marriage registration 4,773 0.199 1C,2C 0.0089 Lamdouar Bouazzaoui (1994)
Marrakesh Berber 1985/98 Genealogical/ household survey 438 21.9 1C,11/2C,2C 0.0092 Cherkaoui et al. (2005)
Rabat 2004/2005 Hospital-based survey 263 20 1C,11/2C,2C 0.0103 Hami et al. (2007)) 9/17/2021
Tanger-Tétuan 2014 University students 160 35.6 1C,11/2C,2C 0.0204 Hardouz et al. (2014) 9/17/2021
Tétouan-M’diq-fnideq 2016 University students 201 25.4 1C,11/2C,2C 0.0117 Hajjaji et al. (2018) 9/17/2021
Sudan Gezira 1969/74 Household survey 2,999 0.442 1C 0.0028 Ahmed (1979)
Khartoum, Nilote - Blood donors 345 18.3 1C,2C 0.0101 Saha & El Sheikh (1988)
Khartoum, Negroid - Blood donors 302 45.7 1C,2C 0.0255 Saha & El Sheikh (1988)
Khartoum, Arabs - Blood donors 4,186 55.2 1C,2C 0.0322 Saha & El Sheikh (1988)
All-Khartoum - Blood donors 4,833 52 1C,2C 0.0302 Saha & El Sheikh (1988)
Tunisia North - Obstetric inpatients 5,767 0.269 >1C,1C,11/2C,2C 0.0213 Riou et al. (1989)
South Africa
South Africa Capetown, Cape Coloured 1961/64 Obstetric inpatients 3,014 0.007 >1C,1C,<1C - Stevenson et al. (1966)
Johannesburg 1961/64 Obstetric inpatients 10,909 0.4 >1C,1C,<1C - Stevenson et al. (1966)
Pretoria, Bantu 1961/64 Obstetric inpatients 9,831 0.061 >1C,1C,<1C - Stevenson et al(1966). 
West Africa
Burkina Faso North, Fulani - Household survey 308 0.658 1C,2C 0.0355 Hampshire & Smith (2001)
Guinea Fouta-Djallon, Tarambali-Dionfo - Household survey 739 0.259 1C,11/2C,2C 0.0131 Chantrelle & Dupire (1964)
Nigeria West, Yoruba - Household survey 489 0.512 UN,1C,11/2C,2C 0.0242 Scott-Emuakpor (1974)