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Descriptive characteristics of study population.
| Full sample (N = 50,768) | Sibling subsample (N = 17,692) | |
|---|---|---|
| Age in years at baseline (Mean [SD]) | 44.36 (13.60) | 40.32 (12.86) |
| Females/Males (N [% Females]) | 27,819/19,372 (59%) | 9267/6145 (60%) |
| Completion of higher education (N [%]) | 13,460 (26.51%) | 4495 (25.41%) |
| Average age difference between sibling pairs (Mean [SD]) | NA | 4.91 (3.66) |
SD standard deviation.
