| | Characteristics | Stratified prevalence (95% CI) | | Overall, % | NHANES 1999–2004, % | NHANES 2005–2010, % |
| | Stratified by gender and race | | Male | | | | | Hispanic | 12.9 (10.5, 15.3) | 12.8 (8.7, 17.0) | 12.9 (10.3, 15.5) | | Non-Hispanic white | 13.0 (11.7, 14.4) | 13.6 (11.5, 15.6) | 12.4 (10.6, 14.3) | | Non-Hispanic black | 18.0 (16.0, 19.9) | 20.6 (18.3, 23.0) | 15.7 (12.7, 18.8) | | Other races | 9.2 (4.9, 13.4) | 8.5 (1.2, 15.8) | 9.5 (4.2, 14.8) | | Female | | | | | Hispanic | 21.6 (17.8, 25.3) | 23.4 (17.9, 28.9) | 19.1 (15.0, 23.3) | | Non-Hispanic white | 15.8 (14.5, 17.0) | 18.6 (16.7, 20.6) | 12.8 (11.1, 14.5)* | | Non-Hispanic black | 22.7 (19.2, 26.3) | 22.7 (18.5, 26.9) | 22.4 (16.0, 28.7) | | Other races | 18.5 (12.2, 24.7) | 20.8 (10.6, 31.0) | 15.8 (8.3, 23.3) |
| | Stratified by gender and education | | Male | | | | | High school or below | 15.1 (13.6, 16.6) | 15.2 (12.7, 17.7) | 14.9 (13.1, 16.7) | | College or above | 11.8 (10.4, 13.2) | 12.7 (10.8, 14.6) | 10.9 (8.9, 13.0) | | Female | | | | | High school or below | 19.6 (17.9, 21.3) | 21.8 (19.2, 24.3) | 16.9 (14.7, 19.2)* | | College or above | 14.4 (12.5, 16.2) | 17.2 (14.4, 20.0) | 11.9 (9.5, 14.3) |
| | Stratified by education and race | | High school or below | | | | | Hispanic | 18.6 (16.0, 21.2) | 19.4 (15.2, 23.6) | 17.5 (14.7, 20.3) | | Non-Hispanic white | 16.9 (15.3, 18.4) | 18.4 (15.9, 21.0) | 15.0 (13.2, 16.8) | | Non-Hispanic black | 22.9 (20.4, 25.4) | 23.4 (20.8, 26.1) | 21.8 (17.5, 26.1) | | Other races | 15.7 (9.6, 21.8) | 15.4 (6.2, 24.6) | 15.6 (8.0, 23.3) | | College or above | | | | | Hispanic | 12.9 (8.2, 17.6) | 15.0 (7.9, 22.1) | 11.3 (5.7, 17.0) | | Non-Hispanic white | 12.8 (11.5, 14.2) | 14.7 (12.9, 16.5) | 11.1 (9.1, 13.2) | | Non-Hispanic black | 16.0 (12.8, 19.3) | 18.1 (12.0, 24.2) | 14.8 (11.0, 18.5) | | Other races | 12.6 (8.0, 17.2) | 15.1 (5.0, 25.2) | 11.2 (6.4, 15.9) |
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