Table 3.
Results of multivariable regressions examining associations between serum PCB-153 concentrations and education among pregnant Nunavimmiut women, 2011 to 2013 (n = 208)
| Model 1, β (95% CI) | Model 2, β (95% CI) | |
|---|---|---|
| Education | ||
| High school not completed (ref) | – | – |
| High school completed | − 0.22 (− 0.49; 0.05) | − 0.22 (− 0.43; 0.001) |
| n-3/n-6 PUFA ratio | 1.33 (0.99; 1.66)‡ | |
| Maternal age | 0.03 (0.004; 0.048)* | |
| Daily cigarette consumption | 0.02 (0.002; 0.034)* | |
| Trimester of pregnancy | 0.07 (− 0.06; 0.21) | |
| Cumulative months of breastfeeding | − 0.01 (− 0.014; − 0.007)‡ | |
| Coast of residence | ||
| Hudson Bay (ref) | – | |
| Hudson Strait | 0.07 (− 0.20; 0.34) | |
| Ungava Bay | − 0.47 (− 0.72; − 0.22)‡ | |
β = unstandardized regression parameter estimate; 95% CI = 95% confidence interval
Model 1, unadjusted model (missing data = 10)
Model 2, adjusted on all covariates (missing data = 10)
*p value < 0.05; †p value < 0.01; ‡p value < 0.001