Table 6. Comparison of surveys of risk factors for NCDs in General Population Cohort study with similar case definitions.
| Study | GPC Uganda | Cameroon39* | South Africa40** | Nigeria41 *** |
|---|---|---|---|---|
| Methods | ||||
| Survey year | 2011 | 1998 | 1996 | 2002-2005 |
| Region | SW rural Uganda | Rural dwellers from Bafut | Rural black community in KwaZulu-Natal province | Egbeda local government area, rural SW Nigeria |
| Sample frame | General population 25 villages | Random sampling of households | Random-cluster sampling | Random-sample survey |
| Ages (years) | ≥13 | ≥15 | >15 | 18-64 |
| Sample size | 6867 | 1282 | 947 | 2000 |
| Results (percentages for men, women) | ||||
| Current smoker | 14, 1 | 32, 14 | NA | 4, 0 |
| Overweight (BMI 25-30) | 5, 13 | 1, 6 | 13, 25 | 2, 2 |
| Obesity (BMI ≥30) | 1, 4 | 0.5, 3 | 9, 23 | 2, 2 |
| Hypertension | 17, 16 | 16, 12 | 31, 25 | 42, 37 |
| Hypercholesterolaemia | 3, 7 | NA | NA | 3, 3 |
| Diabetes | 1, 1 | 5, 3 | 14, 11 | 4, 6 |
*
Diabetes defined as FG≥6.1mmol/l
**
Diabetes defined as FG≥5.6 mmol/l and hypertension ≥130/85
***
Cholesterol ≥200 mg/dl and diabetes FBG≥110 mg/dl