Table 1.
Participant-Pairs Characteristics by Total Lipid Tertiles (mmol/L). GESTE Cohort.
| Tertile 1, n = 51 (Lower-Upper) + |
Tertile 2, n = 45 (Lower-Upper) + |
Tertile 3, n = 51 (Lower-Upper) + |
|||||
|---|---|---|---|---|---|---|---|
| 4.05 | 0.35 | 4.72 | 0.15 | 5.55 | 0.46 | ||
| Mean * | (SD) | Mean * | (SD) | Mean * | (SD) | p # | |
| Maternal age (years) at pregnancy | 30.3 | (3.9) | 30.0 | (4.4) | 27.8 | (4.9) | 0.009 |
| Maternal BMI after delivery | 26.7 | (4.5) | 26.6 | (5.3) | 27.4 | (6.2) | 0.76 |
| Child BMI at age 6–7 years | 15.8 | (1.4) | 15.9 | (1.5) | 15.9 | (1.9) | 0.95 |
| PCB Sum (ng/mL) | 0.090 | (3.34) | 0.086 | (2.71) | 0.066 | (4.63) | 0.43 |
| BDE Sum (ng/mL) | 0.135 | (3.56) | 0.123 | (3.66) | 0.155 | (3.93) | 0.68 |
| Triglycerides (mmol/L) | 0.697 | (1.39) | 0.794 | (1.36) | 1.393 | (1.43) | <0.0001 |
| Maternal serum lead levels at delivery (umol/L) | 0.037 | (1.46) | 0.037 | (1.62) | 0.041 | (1.71) | 0.35 |
| Maternal serum manganese levels at delivery (nmol/L) | 247.0 | (1.27) | 253.3 | (1.35) | 282.0 | (1.29) | 0.03 |
| Maternal serum cadmium levels at delivery (nmol/L) | 2.008 | (2.09) | 1.716 | (1.65) | 2.117 | (2.02) | 0.29 |
| Maternal serum mercury levels at delivery (μg/L) | 2.585 | (2.00) | 2.740 | (1.67) | 2.351 | (2.04) | 0.51 |
| Child serum lead levels at 6–7 years (umol/L) | 0.033 | (1.58) | 0.037 | (1.52) | 0.035 | (1.53) | 0.54 |
| Child serum manganese levels at 6–7 years (nmol/L) | 172.2 | (1.32) | 185.6 | (1.30) | 178.8 | (1.27) | 0.37 |
| Child serum cadmium levels at 6–7 years (nmol/L) | 0.800 | (1.41) | 0.795 | (1.31) | 0.803 | (1.27) | 0.99 |
| Child serum mercury levels at 6–7 years (μg/L) | 1.569 | (1.83) | 1.474 | (1.88) | 1.512 | (1.84) | 0.88 |
| % | % | % | |||||
| % Female child | 35.3% | 48.9% | 49.0% | 0.28 | |||
| % Reported smoking during pregnancy a | 6.0% | 0.0% | 7.8% | 0.18 | |||
| % Reported alcohol use during pregnancy a | 30.0% | 25.0% | 25.5% | 0.83 | |||
| % Vaginal delivery a | 82.4% | 75.6% | 84.3% | 0.53 | |||
| Maternal educational level | 0.42 | ||||||
| Primary | 0.0% | 0.0% | 2.0% | ||||
| Secondary | 9.8% | 8.9% | 19.6% | ||||
| College | 19.6% | 24.4% | 29.4% | ||||
| University | 35.3% | 42.2% | 27.5% | ||||
| Other | 31.3% | 22.2% | 21.6% | ||||
| Missing | 3.9% | 2.2% | 0.0% | ||||
Abbreviations: SD-standard deviation, BMI-body mass index (kilograms/(meters2)), PCB-Polychlorinated biphenyl, BDE-Decabromodiphenyl ether. + Lower and upper bounds for the tertiles of total lipids, measured by Phillip’s Method, in mmol/L. * Mean and SD represent geometric mean and geometric SD. # p-Value from one-way ANOVA for all linear characteristics. For categorical characteristics, Chi-Squared tests were used except for smoking and maternal education level, which required Fisher’s Test. a. These groups had 2 participants with missing information.