Table 1.
Demographic characteristics [means (SD) or number of cases] for participants according to clinical diagnosis status at wave 1 and wave 2
| Variable | Group 1 normal to normal (n = 2,389) | Group 2 diagnosis to normal (n = 43) | Group 3 normal to diagnosis (n = 71) | Group 4 diagnosis to diagnosis (n = 48) | F/χ2a | p |
|---|---|---|---|---|---|---|
| Age (wave 1), years | 62.51 (1.50) | 62.81 (1.47) | 62.49 (1.61) | 62.38 (1.51) | 0.717 | 0.542 |
| Male/female | 1,214/1,175 | 28/15 | 40/31 | 35/13 | 13.099 | 0.004 |
| English, yes/no | 2,109/277 | 28/15 | 57/14 | 32/16 | 43.389 | 0.000 |
| Years of education | 13.98 (2.80) | 11.71 (3.04) | 12.66 (2.83) | 12.12 (3.43) | 17.435 | 0.000 |
a
F test was measured using one-way ANOVA (post hoc: Scheffé); χ2 was assessed using a Kruskal-Wallis test (post hoc: Mann-Whitney).