Skip to main content

Table 1 Prevalence of Type II Diabetes in cross sectional surveys in Sub-Saharan Africa 1999-2011

From: Diabetes in Sub Saharan Africa 1999-2011: Epidemiology and public health implications. a systematic review

Country Author Site Sample size (Participation rate %) Age range Method Prevalence (%) (95% CI) Un-diagnosed diabetes (%) Prevalence IGT
(%)
(95% CI)
Prevalence
IFG
(%)
(95% CI)
% Obese
(BMI ≥30)
       M F M+F     Males Females
Cameroon Mbanya 1999[22] Urban & Rural Urban: 295 (> 90)
Rural: 384 (> 90)
24-74 OGTT/FBG (WHO 85, ADA 97) Urban: 1.0*
(0.1-3.6)
Rural: 1.1*
(0.1-4.0)
Urban: 2.8*
(0.9-6.6)
Rural: 0.5*
(0-3.0)
Urban: 2.0*
Rural: 0.8*
- Urban (M: 1.6* (0.3-4.6)
F: 4.6* (0.8-13))
Rural: (M: 6.4 (3.3-11.3)
F: 3.1* (1.1-6.8))
  - -
  Sobngwi 2002[23] Urban & Rural Urban: 1183 (96)
Rural: 1282 (98)
≥15 FBG
(WHO 98)
Urban: 6.2*
(3.7-8.9)
Rural: 4.7*
(2.5-6.9)
Urban: 4.7*
(2.6-6.8)
Rural: 2.9*
(1.5-4.4)
- - - Urban: (M: 4.4 (2.6-4.3)
F: 10.4 (7.8-13))
Rural: (M: 4.9 (2.4-7.4)
F: 4.7 (2.8-6.6))
Urban: 5.4*
Rural: 0.5*
Urban: 17.1*
Rural: 3.0*
  MOH Cambod 2004 [24] Urban 10,824 ≥15 OGTT 6.40* 5.70* 6.06* 80 - - 7.51* 21.25*
Ghana Amoah 2002 [25] Urban 4733 (75) ≥25 OGTT
(WHO 98, ADA 97)
7.7* 5.5* 6.4* 69.9 10.7* 6.0* - -
Guinea Balde 2007 [26] Urban & Rural 1537 (77) ≥35 FBG
(WHO 99)
- - Urban: 6.7*
(5.1-8.3)
Rural: 5.3*
(3.6-7.0)
Urban: 59
Rural: 100
- Urban: 10.3
(8.3-12.3)
Rural: 17.7
(14.7-20.6)
- -
Kenya Christensen 2009 [27] Urban & rural Urban: 281 (98.2)
Rural: 1178 (98.2)
≥17 FBG/OGTT (WHO 99) Urban & Rural: 4.5*
(2.0-10.2)
Urban & Rural: 4.2* (1.409.4) Urban: 12.2*
(5.4-23.2)
Rural: 2.2*
(0.8-5.2)
Combined: 4.2*
(2.0-7.7)
Urban: 21
Rural: 48
Urban: 13.2*
(4.6-26.5)
Rural: 8.6*
(5.1-14.0)
Combined: 12.0*
(9.2-15.2)
- - -
  Mathenge
2010 [28]
Urban & Rural Urban: 1437
Rural: 2959
≥50 RBG - - Urban: 10
Rural: 5
Urban: 23
Rural: 41
- - Urban: 20
Rural: 10
Nigeria Okesina 1999 [121] Rural 500 > 40 FBG    2.6     - -
  Nyenwe 2003 [29] Urban 502 (67.1) ≥40 OGTT (WHO 99) 9.1* 6.3* 7.9* 41 - - - -
  Oladapo 2010 [30] Rural 2000 18-64 FBG 2.1 2.8 2.5 27 - - 3.9
South Africa Erasmus 2001 [122] Urban 374 (workers) > 20 OGTT - - 4.5*     - -
  Alberts 2005 [32] Rural 2106 > 30 FBG - - 8.8     30 7.4
  Motala 2008 [33] Rural 1025 (78.9) > 15 OGTT
(WHO 98)
3.5* 3.9* 3.9* 84.8 4.8* 41.5* - -
Tanzania Aspray 2000 [34] Urban & Rural Urban: 770
Rural: 928
> 15 FBG
(WHO 98)
Urban: 5.9*
Rural: 1.7*
Urban: 5.7*
Rural: 1.1*
- - - Urban: (M: 3.6*
W:4.7*)
Rural: (M: 0.8*
W: 1.1*)
Urban: 7.3*
Rural: 0.2*
Urban: 19.8*
Rural: 4.2*
Uganda Maher 2010 [35] Rural 6678 ≥13 RPG - - 0.6*
(0.4-0.7)
74 - - 0.5 3.9
Zimbabwe MOH STEPS 2005 [36] Pop Rep 3081 ≥25 FBG - - 10 - M: 5.3 (3.3-8)
F: 5.2 (4.1-6.7)
- 3.9 10.4
  1. Method: OGTT - Oral Glucose Tolerance Test, FBG - Fasting Blood Glucose Test, WHO 85/97/99: World Health Organisation 1985/98/99 diagnostic criteria, ADA97/04 American Diabetes Association 1997/2004 diagnostic criteria; RPG - Random Plasma Glucose Test for "probable diabetes" (>11mmol/l), RBG - Random Blood Glucose Test diabetes categorised as >11.1mmol/l; *age standardised; IGT: Impaired Glucose Tolerance; IFG Impaired Fasting Glucose; Pop rep - sample representative of national population.