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  Volume 
          2: 
          No. 1, January 2005 
ESSAYDiabetes and Mexicans: Why 
    the Two Are Linked
|  | North | Center | México City | South |  
| 1988 | 1999 | 1988 | 1999 | 1988 | 1999 | 1988 | 1999 |  
| Overweight | 26.3 | 34.0 | 21.0 | 36.4 | 25.6 | 37.7 | 22.3 | 34.5 |  
| Obesity | 11.8 | 31.3 | 8.1 | 22.2 | 9.2 | 21.4 | 8.2 | 20.8 |  Figure 2. Levels of overweight and obesity in 1988 and 1999 in women aged 18 to 49 
    in Mexico, by region. Data from Rivera et al, 2001 (6).
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|  | Men | Women |  
| Non-Hispanic white | Non-Hispanic black | Mexican Americans | Non-Hispanic white | Non-Hispanic black | Mexican American |  
| Diagnosed diabetes | 5.2 | 7.3 | 7.7 | 4.5 | 9.1 | 10.9 |  
| Undiagnosed diabetes | 2.9 | 2.7 | 5.4 | 2.0 | 4.5 | 3.6 |  
| Impaired fasting glucose | 8.9 | 8.9 | 11.6 | 4.6 | 6.4 | 6.3 |  Figure 3. Age-standardized prevalence of diagnosed and undiagnosed diabetes and 
impaired fasting glucose in the U.S. population aged ≥20 years by sex and ethnic 
group, based on the Third National Health and Nutrition Examination Survey (NHANES 
III). Data from Harris et al, 1998 (12).
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|  | Nondiabetic mother | Prediabetic mother | Diabetic mother |  
| Percentage rate of diabetes 
    among adults aged 20 to 24 | 1.4 | 8.6 | 45.5 |  Figure 4. Prevalence of type 2 diabetes among Pima Indian adults, Arizona, aged 20 to 24, by 
    diabetes status of the mother during pregnancy. A prediabetic mother is one who develops diabetes after 
    delivery. Data from Pettitt et al, 1988 (16).
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|  | 1967–76 | 1977–86 | 1987–96 |  
| Exposure to GD | 2.1 | 4.0 | 7.5 |  
| Attributable fraction | 18.1 | 23.7 | 35.4 |  Figure 5. Exposure to gestational diabetes (GD) and 
    fraction of diabetes attributed to GD among cohorts of Pima 
    Indian adults, Arizona, aged 10 to 19 years (n = 6902). Data from Dabelea et 
al, 1998 (17).
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