Year | Author | Country | Population | Urban/ Rural | Sample Size | Lifetime Prevalence (%) | ||
---|---|---|---|---|---|---|---|---|
BSE | CBE | MMG | ||||||
West Africa | ||||||||
 2006 | Okobia et al. [62] | Nigeria | Community-dwelling women | Semi-urban | 1000 | 43.2 | 9.1 | NR |
 2009 | Akhigbe et al. [63] | Nigeria | Female health workers in major public hospitals | Urban | 393 | 77.6 | NR | 3.1 |
 2005 | Kayode et al. [64] | Nigeria | Female teachers in public secondary schools | Urban | 341 | 54.8 | NR | NR |
 2011 | Isara et al. [65] | Nigeria | Female senior secondary school students | Urban | 287 | 10.1 | NR | NR |
 2001 | Odusanya et al. [66] | Nigeria | Nurses working at a general hospital in Lagos | Urban | 204 | 89.2 | 28.9 | 7.8 |
 2006 | Oluwatosin et al. [22] | Nigeria | Women living in Akinyele Local Government Area, Ibadan | Rural | 407 | 6.4 | 2.0 | NR |
 2012 | Opoku et al. [67] | Ghana | Ghanaian women living in either Accra or Sunyani | Urban | 474 | 32.0 | 12.0 | 2.0 |
 2013 | Sarfo et al. [68] | Ghana | Female nursing students | Urban | 250 | 76.0 | NR | NR |
East Africa | ||||||||
 2013 | Azage et al. [69] | Ethiopia | Female health workers in Northwest Ethiopia | Semi-urban | 390 | 37.0 | NR | NR |
 2014 | Legesse & Gedif [25] | Ethiopia | Female household heads in Mekelle aged 20 and over | Urban | 304 | 53.6 | 12.2 | 2.7 |
 2014 | Ameer et al. [70] | Ethiopia | Female medical students | Urban | 126 | 23.0 | NR | NR |
 2014 | Morse et al. [71] | Tanzania | Women presenting for outpatient reproductive health care at government hospital facilities | Urban | 225 | 33.3 | 6.2 | NR |
 2010 | Kiguli-Malwadde et al. [72] | Uganda | Women attending the radiology department at Mulago Hospital, Kampala | Urban | 100 | 66.0 | NR | 0.0 |
Central Africa | ||||||||
 2012 | Atanga et al. [73] | Cameroon | Women living in Buea | Urban | 120 | 60.0 | NR | NR |
 2015 | Nde et al. [74] | Cameroon | Female university students at University of Buea in 2014 | Urban | 166 | 41.0 | 19.9 | NR |
Southern Africa | ||||||||
 2011 | Tieng’O et al. [75] | Botswana | Women attending a health facility in Gaborone | Urban | 375 | 63.5 | 22.7 | 1.6 |
 2007 | Mukupo & Mubita-Ngoma [26] | Zambia | Women aged 15–49 living in Solwezi rural district and Lusaka urban district | Rural and urban | 238 | 5.0 urban 5.0 rural | NR | NR |