Table 1. Number of participants who were eligible and who responded to the fourth COVID-19 questionnaire (Q4).
| Cohort Group | Eligible 1 | Responded to Q4 2 |
|---|---|---|
| G0 Mothers | 4852 | 3101 (64%) |
| G0 Fathers/partners | 1869 | 1172 (63%) |
| G1 Offspring daughters | 4925 | 2883 (59%) |
| G1 Offspring sons | 4198 | 1487 (35%) |
| TOTAL | 15844 | 8643 (55%) |
1G0 eligibility criteria (online questionnaires only): valid email address, marked as contactable for questionnaires; G1 eligibility criteria (online and paper questionnaires): marked as contactable for questionnaires.
2 Proportions of those invited (i.e. eligible).