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Age range of individuals and number of waves within each cohort.
| Study | Year initiation | Age range of participants | Number of data waves | Total number of individuals |
|---|---|---|---|---|
| ALSPAC | 1990–1992 | 7–18 | 6 | 9432 |
| T-07 (1970s) | 1986 | 15–38 | 5 | 1481 |
| T-07 (1950s) | 1986 | 30–63 | 5 | 1391 |
| T-07 (1930s) | 1986 | 55–79 | 5 | 1479 |
| NSHD | 1946 | 36, 43, 53 | 3 | 3655 |
| CAPS | 1990–1992 | 43–85 | 5 | 2949 |
