ORIGINAL RESEARCH

Racial and Ethnic Differences in Physical Activity and Bone Density: National Health and Nutrition Examination Survey, 2007–2008

Physical Activity Level and Race/Ethnicity	% of Participants in PA Category	Normal Bone Density, %	Osteopenia or Osteoporosis, %
Low
Non-Hispanic white	45.3	41.4	55.2
Non-Hispanic black	60.9	57.9	73.7
Hispanic	53.3	48.5	70.7
Moderate
Non-Hispanic white	21.2	21.2	21.2
Non-Hispanic black	14.0	15.2	8.7
Hispanic	17.1	17.4	16.3
High
Non-Hispanic white	33.5	37.4	23.6
Non-Hispanic black	25.1	26.9	17.6
Hispanic	29.6	34.1	13.0

Figure. Prevalence of osteopenia/osteoporosis and normal bone mineral density among non-Hispanic whites, non-Hispanic blacks, and Hispanics, by levels of physical activity, National Health and Nutrition Examination Survey, 2007–2008. The percentage of participants in each category of PA is indicated in parentheses. Abbreviations: NHW, non-Hispanic white; NHB, non-Hispanic black.

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