Table 1.
Descriptives in the 1905 Birth Cohort at Baseline in 1998 and Follow-up in 2000, 2003, and 2005. The 1910 Birth Cohort and the 1915 Birth Cohort at Baseline in 2010
| Assessment Year | 1905 Birth Cohort | 1910 Birth Cohort | 1915 Birth Cohort | |||
|---|---|---|---|---|---|---|
| 1998 | 2000 | 2003 | 2005 | 2010 | 2010 | |
| Age, y (SD) | 93.14 (0.31) | 95.26 (0.31) | 97.63 (0.28) | 99.64 (0.29) | 100.25 (0.32) | 95.26 (0.29) |
| Number of individuals | 1651 | 901 | 383 | 182 | 162 | 158 |
| Completed CCS | 1578 | 786 | 274 | 109 | 162 | 158 |
| Mean CCS (SD) | 0.23 (3.47) | 0.19 (4.15) | 0.21 (3.51) | 0.30 (3.72) | −0.55 (3.65) | 0.84 (3.48) |
| Completed MMSE | 1583 | 774 | 292 | 138 | 159 | 158 |
| Mean MMSE (SD) | 21.77 (5.78) | 21.18 (6.27) | 20.27 (6.60) | 19.86 (6.36) | 21.32 (6.57) | 23.70 (4.98) |
Notes: CCS = cognitive composite score; MMSE = Mini Mental State Examination; SD = standard deviation.