Table 6.
Multiple logistic regression (OR and 95% CI) in adult participants in NHANES.a
| Participants, (% + SE)b | Normal | Overweight | Obese | |
|---|---|---|---|---|
| NHANES 1999–2006; n = 15899 | 5060 | 5594 | 5245 | |
| BLL quartile 1 (≤1.00 μg/dL) | 25.0 (0.72) | 1 (reference) | 1 (reference) | 1 (reference) |
| BLL quartile 2 (1.01–1.59 μg/dL) | 24.5 (0.47) | 1 (reference) | 1.04 (0.87–1.25) | 0.76 (0.66–0.87) |
| BLL quartile 3 (1.60–2.39 μg/dL) | 25.0 (0.55) | 1 (reference) | 1.02 (0.87–1.19) | 0.66 (0.56–0.77) |
| BLL quartile 4 (≥2.40 μg/dL) | 25.5 (0.54) | 1 (reference) | 0.79 (0.65–0.95) | 0.42 (0.35–0.50) |
| NHANES 1999–2002; n = 7764 | 2530 | 2783 | 2451 | |
| BLL quartile 1 (≤0.70 μg/dL) | 21.8 (0.82) | 1 (reference) | 1 (reference) | 1 (reference) |
| BLL quartile 2 (0.71–1.09 μg/dL) | 22.6 (0.70) | 1 (reference) | 1.03 (0.78–1.36) | 0.76 (0.60–0.96) |
| BLL quartile 3 (1.10–1.60 μg/dL) | 26.9 (0.66) | 1 (reference) | 0.94 (0.77–1.14) | 0.62 (0.48–0.79) |
| BLL quartile 4 (≥1.61 μg/dL) | 28.7 (0.69) | 1 (reference) | 0.73 (0.58–0.93) | 0.39 (0.30–0.52) |
| NHANES 2003–2006; n = 8135 | 2530 | 2811 | 2794 | |
| BLL quartile 1 (≤0.70 μg/dL) | 28.2 (1.12) | 1 (reference) | 1 (reference) | 1 (reference) |
| BLL quartile 2 (0.71–1.09 μg/dL) | 26.1 (0.63) | 1 (reference) | 1.04 (0.81–1.33) | 0.77 (0.65–0.90) |
| BLL quartile 3 (1.10–1.60 μg/dL) | 23.2 (0.82) | 1 (reference) | 1.11 (0.88–1.39) | 0.74 (0.60–0.90) |
| BLL quartile 4 (≥1.61 μg/dL) | 22.5 (0.84) | 1 (reference) | 0.85 (0.64–1.12) | 0.47 (0.37–0.59) |
a
Adjusted for race/ethnicity, gender, age, hematocrit, smoking status, serum cotinine, alcohol consumption, education, calorie intake and moderate and vigorous activity covariates.
b
Percentages are sample-weighted for applicability to the U.S. population.