Table 2.
Univariate linear regression of ΣHBCDs human milk samples potential predictors from the questionnaire.
| Predictor | Full Dataset
|
College Graduates Only
|
||
|---|---|---|---|---|
| Multiplicative Increase (95% CI) | n | Multiplicative Increase (95% CI) | n | |
| Number of Electronics in the Home | ||||
| Stereo & Video Items | 1.17 (1.04 – 1.31) | 43 | 1.17 (1.03 – 1.34) | 39 |
| Televisions | 1.18 (0.93 – 1.49) | 43 | 1.21 (0.92 – 1.56) | 39 |
| Stereo & Video Items other than Televisions | 1.22 (1.05 – 1.43)* | 43 | 1.19 (1.01 – 1.41)* | 39 |
| Carpeted home | ||||
| No | Reference | 17 | Reference | 15 |
| Yes | 1.39 (0.84 – 2.29) | 26 | 1.35 (0.80 – 2.27) | 24 |
| Regularly uses public transportation | ||||
| No | Reference | 28 | Reference | 26 |
| Yes | 0.71 (0.43 – 1.18) | 15 | 0.67 (0.40 – 1.14) | 13 |
| Regularly eats organic | ||||
| No | Reference | 17 | Reference | 13 |
| Yes | 0.51 (0.32 – 0.82)* | 26 | 0.55 (0.33 – 0.91) | 26 |
| Race | ||||
| Not White | Reference | 5 | Reference | 3 |
| White | 0.51 (0.24 – 1.07) | 38 | 0.62 (0.24 – 1.59) | 36 |
| Highest completed education | ||||
| High school | Reference | 4 | NA | 0 |
| College | 0.50 (0.22 – 1.44) | 39 | NA | 39 |
*
Statistically significant at the α = 0.05 level.
Coefficients represent the multiplicative increase in breast milk concentrations per item (for continuous variables) or relative to the reference group (for categorical variables).