Table 3.
Variables | Plasma DHA (wt. %) | Erythrocyte DHA (wt. %) | Plasma DHA (μg/mL) | Erythrocyte DHA (μg/mL) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | β | P | Mean | β | P | Mean | β | P | Mean | β | P | |
Region | ||||||||||||
Inland | 1.87 | 0 | Ref. | 5.37 | 0 | Ref. | 85.3 | 0 | Ref. | 96.3 | 0 | Ref. |
Lakeland | 2.22 | 0.36 | <0.001 | 6.25 | 0.92 | <0.001 | 87.0 | 3.6 | 0.091 | 102.2 | 6.7 | <0.001 |
Coastland | 2.66 | 0.80 | <0.001 | 6.91 | 1.55 | <0.001 | 112.7 | 28.4 | <0.001 | 116.6 | 20.4 | <0.001 |
Participant group | ||||||||||||
Mid-pregnancy | 2.63 | 0 | Ref. | 6.59 | 0 | Ref. | 99.4 | 0 | Ref. | 113.0 | 0 | Ref. |
Late pregnancy | 2.04 | −0.59 | <0.001 | 6.10 | −0.49 | <0.001 | 118.8 | 19.4 | <0.001 | 106.0 | −7.0 | <0.001 |
Lactation | 2.06 | −0.58 | <0.001 | 5.82 | −0.79 | <0.001 | 67.1 | −32.9 | <0.001 | 95.9 | −17.5 | <0.001 |
Age(year) | ||||||||||||
<25.0 | 2.15 | 0 | Ref. | 5.93 | 0 | Ref. | 88.2 | 0 | Ref. | 100.2 | 0 | Ref. |
25.0–29.9 | 2.27 | 0.02 | 0.623 | 6.24 | 0.17 | 0.129 | 94.7 | 1.7 | 0.499 | 106.1 | 2.8 | 0.191 |
≥30.0 | 2.25 | 0.12 | 0.029 | 6.15 | 0.25 | 0.050 | 100.6 | 7.9 | 0.006 | 105.3 | 4.0 | 0.108 |
Education | ||||||||||||
Middle school or less | 2.18 | 0 | Ref. | 5.93 | 0 | Ref. | 90.1 | 0 | Ref. | 100.2 | 0 | Ref. |
High school | 2.24 | 0.07 | 0.187 | 6.20 | 0.29 | 0.033 | 94.2 | 7.2 | 0.016 | 105.0 | 5.6 | 0.034 |
College or above | 2.26 | 0.12 | 0.014 | 6.21 | 0.36 | 0.003 | 96.0 | 8.5 | 0.002 | 105.8 | 6.4 | 0.006 |
Pre-pregnancy BMI | ||||||||||||
<18.5 | 2.26 | 0 | Ref. | 6.15 | 0 | Ref. | 90.7 | 0 | Ref. | 103.0 | 0 | Ref. |
18.5–23.9 | 2.27 | −0.07 | 0.073 | 6.22 | −0.06 | 0.546 | 96.0 | −0.3 | 0.901 | 105.9 | 0.1 | 0.970 |
≥24.0 | 2.12 | −0.21 | <0.001 | 5.97 | −0.20 | 0.143 | 95.3 | 1.6 | 0.612 | 103.2 | −1.7 | 0.523 |
β, regression coefficient; Ref, reference category.