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Table 1 Select descriptive characteristics for adults 20-49 years who completed a submaximal graded exercise test in the National Health and Nutrition Examination Survey, 1999-2002.

From: The "fit but fat" concept revisited: population-based estimates using NHANES

  Mean ± SE
Age (years) 33.5 ± 0.4
Estimated VO2max (ml.kg-1.min-1) 41.7 ± 0.4
Body Mass Index (kg/m2) 26.5 ± 0.2
  Percentage ± SE
Sex*  
Male 54.8 ± 1.5%
Female 45.2 ± 1.5%
Race/Ethnicity*  
Mexican-American 6.4 ± 0.8%
Other Hispanic 5.9 ± 0.3%
Non-Hispanic White 76.4 ± 1.6%
Non-Hispanic Black 7.8 ± 0.9%
Other Race - Including Multi-Racial 3.5 ± 0.7%
  1. Data presented as the mean or percent and standard error (SE). *Sex and race/ethnicity variables both sum to 100%.