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Number of eligible and participating index women and families in the Preeclampsia Family Cohort Study
| Invited | Attending | Participation rate (%) | |
|---|---|---|---|
| Index women | 426 | 220 | 51.6 |
| Mother-daughter pairs | 42 | 18 | 42.9 |
| Sister-sister pairs | 165 | 64 | 38.8 |
| Three sisters | 5 | 1 | 20.0 |
| Familiy with at least two index women participating | 209 | 81 | 38.8 |
| Familiy represented in the cohort by one or more participantsa | 209 | 137 | 65.6 |
aIn 56 families only one of the eligible index women participated
