Table 5.
Multilinear regression (β coefficients and SE) between BMI score and BLL quartile in adult participants in NHANES 1999–2006.a
| NHANES 1999–2006 |
NHANES 1999–2002 |
NHANES 2003–2006 |
||||
|---|---|---|---|---|---|---|
| % (SE)b | β (SE) | % (SE)b | β (SE) | % (SE)b | β (SE) | |
| BLL quartile 1 (≤0.70 μg/dL) | 25.0 (0.72) | 0 (reference) | 21.8 (0.82) | 0 (reference) | 28.2 (1.12) | 0 (reference) |
| BLL quartile 2 (0.71–1.09 μg/dL) | 24.5 (0.47) | −0.90 (0.20) p ≤ 0.01 |
22.6 (0.70) | −0.70 (0.34) p = 0.05 |
26.1 (0.63) | −1.05 (0.20) p ≤ 0.01 |
| BLL quartile 3 (1.10–1.60 μg/dL) | 25.0 (0.55) | −1.41 (0.22) p ≤ 0.01 |
26.9 (0.66) | −1.29 (0.37) p ≤ 0.01 |
23.2 (0.82) | −1.42 (0.25) p ≤ 0.01 |
| BLL quartile 4 (≥1.61 μg/dL) | 25.5 (0.54) | −2.58 (0.25) p ≤ 0.01 |
28.7 (0.69) | −2.51 (0.41) p ≤ 0.01 |
22.5 (0.84) | −2.50 (0.29) p ≤ 0.01 |
| p trend | p ≤ 0.01 | p ≤ 0.01 | p ≤ 0.01 | |||
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.