Table 1 Characteristics of participating study cohorts
Cohort | Tissue | Chip | Ethnicity | Male % | Sustained smoking during pregnancy, (%) | Maternal asthma during pregnancy, N (%) | Maternal asthma ever, N (%) | Paternal asthma ever, N (%) |  |  |  |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | Â | Â | Â | Total N: 3899 | Total N: 7433 | Total N: 4919 | Â | Â | Â |
| Â | Â | Â | Â | Â | Â | Case N (%) | N | Case N (%) | N | Case N (%) | N |
ALSPAC | Cord blood | 450Â K | EUR | 48.5 | 9.4 | NA | NA | 84 (10) | 841 | 58 (7) | 815 |
CHS | Newborn blood spots | 450Â K | EUR | 40.9 | 7.6 | NA | NA | 19 (9) | 210 | 12 (6) | 210 |
DCHS | Cord blood | 450Â K | African/Admixed | 55.7 | 29.4 | NA | NA | 7 (3) | 262 | NA | NA |
EDEN | Cord blood | 450Â K | EUR | 60.2 | 24.2 | 17 (11) | 161 | 17 (11) | 161 | 12 (7) | 161 |
GENR | Cord blood | 450Â K | EUR | 48.6 | 10.8 | NA | NA | 57 (7) | 868 | 53 (6) | 868 |
INMA | Cord blood | 450Â K | EUR | 51.6 | 14.4 | NA | NA | 31 (8) | 376 | 28 (7) | 376 |
IOW | Cord blood | 450Â K | EUR | 51.1 | 24.5 | 19 (21) | 90 | 35 (35) | 99 | 23 (28) | 82 |
LINA | Cord blood | 450Â K | EUR | 52.7 | 14.8 | NA | NA | 50 (11) | 456 | 38 (9) | 439 |
MoBA1 | Cord blood | 450Â K | EUR | 53.3 | 15.2 | 85 (8) | 1001 | 124 (12) | 1040 | 64 (8) | 776 |
MoBA2 | Cord blood | 450Â K | EUR | 56.5 | 12.2 | 51 (8) | 637 | 74 (11) | 660 | 50 (11) | 452 |
MINERvA | Newborn peripheral blood | 450Â K | EUR | 49.9 | NA | 30 (2) | 1259 | 30 (2) | 1259 | NA | NA |
NorthPop | Cord blood | EPIC | EUR | 47.6 | 0.4 | 49 (22) | 220 | 105 (16) | 672 | 41 (19) | 211 |
UpstateKIDS | Blood spots | EPIC | EUR. African | 50.9 | 4.1 | 27 (5) | 531 | 93 (18) | 529 | 61 (12) | 529 |