Research Article
Urinary Bisphenol A Levels and Measures of Obesity: Results from the National Health and Nutrition Examination Survey 2003–2008
Table 1
Baseline characteristics of the study population, by gender*.
| | Characteristics | Men () | Women () |
| | Age (years) | 44.3 ± 0.5 | 45.6 ± 0.4 | | Race/ethnicity (%) | | | | Non-Hispanic Whites | 953 (71.5) | 991 (70.0) | | Non-Hispanic Blacks | 373 (9.7) | 425 (11.5) | | Mexican Americans | 351 (8.5) | 436 (8.0) | | Others | 202 (10.2) | 236 (10.4) | | Education categories (%) | | | | Below high school | 511 (17.9) | 560 (16.7) | | High school | 476 (25.5) | 510 (24.9) | | Above high school | 892 (56.6) | 1018 (58.4) | | Smoking (%) | | | | Never smoker | 840 (45.7) | 1289 (58.7) | | Former smoker | 529 (27.2) | 403 (20.3) | | Current smoker | 510 (27.1) | 396 (21.0) | | Alcohol intake (%) | | | | Nondrinker | 533 (24.5) | 894 (35.7) | | Moderate drinker | 663 (38.7) | 863 (47.3) | | Heavy drinker | 683 (36.8) | 331 (17.0) | | Physical inactivity % | 1246 (60.3) | 1365 (59.5) | | Body mass index (BMI) (%) | | | | Nonobese (<30 kg/m2) | 1270 (66.7) | 1313 (66.7) | | Obese (BMI ≥ 30 kg/m2) | 609 (33.3) | 775 (33.2) | | Systolic blood pressure (mm of Hg) | 123.1 ± 0.4 | 119.1 ± 0.5 | | Diastolic blood pressure (mm of Hg) | 72.4 ± 0.4 | 69.2 ± 0.3 | | Total cholesterol (mg/dL) | 201.55 ± 1.12 | 202.23 ± 1.03 | | Urinary bisphenol A (ng/mL) | 3.97 ± 0.21 | 3.90 ± 0.26 | | Diabetes (%) | 229 (9.5) | 238 (8.7) |
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*Data presented are numbers (percentages) or mean values ± standard error (SE), as appropriate for the variable.
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