Table 2 Adjusted association of log blood lead (μmol/L) and covariates on length-for-age Z score (LAZ), overall and stratified by zinc status
From: Differential association of lead on length by zinc status in two-year old Mexican children
Overall (N = 291) | Zinc Replete (N = 241) | Zinc Deficient (N = 50) | |||||||
|---|---|---|---|---|---|---|---|---|---|
β | SE | 95 % CI | β | SE | 95 % CI | β | SE | 95 % CI | |
Log Blood Lead (μmol/L) | −0.19 | 0.08 | −0.36, −0.03 | −0.12 | 0.09 | −0.30, 0.07 | −0.43 | 0.20 | −0.84, −0.02 |
Birthlength (cm) | 0.10 | 0.03 | 0.05, 0.16 | 0.13 | 0.03 | 0.07, 0.18 | −0.03 | 0.07 | −0.18, 0.12 |
Energy Intake (1000 Kcal/d) | 0.03 | 0.12 | −0.26, 0.20 | −0.11 | 0.13 | −0.36, 0.13 | −0.01 | 0.32 | −0.65, 0.62 |
Breastfeeding (months) | −0.01 | 0.01 | −0.03, 0.00 | −0.01 | 0.01 | −0.03, 0.01 | −0.02 | 0.02 | −0.06, 0.03 |
Maternal Height (cm) | 0.04 | 0.01 | 0.02, 0.06 | 0.04 | 0.01 | 0.02, 0.06 | 0.02 | 0.02 | −0.02, 0.06 |
Maternal Education (years) | −0.01 | 0.01 | −0.03, 0.01 | −0.02 | 0.01 | −0.04, 0.00 | 0.04 | 0.04 | −0.03, 0.11 |
Adjusted R-squared | 0.15 | 0.17 | 0.16 | ||||||