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Characteristics of each cohort included in the meta-analysis of the effect of maternal pre-pregnancy BMI on offspring DNA methylation at adolescence
| Cohort | N | Mean maternal BMI (SD) | Mean maternal age (SD) | Mean adolescent age (SD) | Ethnicity |
|---|---|---|---|---|---|
| BAMSE | 221 | 23.2 (3.4) | 31.2 (4.3) | 16.6 (0.3) | European |
| IOW F1 | 279 | 24.4 (4.0) | 27.3 (5.2) | 18.0 (0.0) | European |
| PIAMA | 583 | 22.6 (3.1) | 30.9 (3.7) | 16.3 (0.2) | European |
| RAINE | 734 | 22.4 (4.4) | 29.1 (5.8) | 17.3 (0.6) | European |
| Meta-analysis | 1817 |
