Table 1.
Study descriptions
| Study | Country | Scale | Year | Follow-up | Interval | Measurement occasions | Age | N (baseline) |
|---|---|---|---|---|---|---|---|---|
| BASE | Germany | NEO-FFI | 1990–93 | 13 | 1 | 5 | 85 | 516 |
| BASE-II | Germany | BFI-S | 2009 | 5 | 2 | 4 | 68 | 1276 |
| EAS | USA | IPIP | 1993 | 22 | 1 | 16 | 78 | 342 |
| HRS | USA | MIDI | 2006–2008 | 8 | 4 | 3 | 68 | 16 056 |
| ILSE | Germany | NEO-FFI | 1994 | 12 | 6 | 3 | 62 | 488 |
| ILSE.Y | Germany | NEO-FFI | 1994 | 12 | 6 | 3 | 44 | 500 |
| LASA | Netherlands | DPQ | 1992 | 9 | 3 | 4 | 70 | 2627 |
| LBC1936 | UK | IPIP | 2006 | 12 | 3 | 4 | 70 | 1033 |
| MIDUS | USA | MIDI | 1994 | 20 | 10 | 3 | 47 | 6409 |
| NAS | USA | EPI-Q | 1975 | 36 | 3 | 11 | 51 | 1645 |
| OCTO | Sweden | EPI-Q | 1991 | 6 | 2 | 4 | 83 | 496 |
| SATSA | Sweden | EPQ (NE) and NEO-PI (O) | 1984 | 27 | 3 | 7 | 60 | 1971 |
| SLS | USA | NEO-PI-R | 2001 | 5 | 1 | 4 | 63 | 1541 |
| SOEP | Germany | BFI-S | 2005 | 12 | 4 | 4 | 47 | 21 040 |
| WLSG | USA | BFI 4a and 5a | 1992 | 19 | 9 | 3 | 53 | 7718 |
| WLSS | USA | BFI 4a and 5a | 1993 | 19 | 9 | 3 | 53 | 4129 |