Pattern
Type of Pattern
No. of Participants
Average time in the study (Yrs.)
Mean cognition
Percent Black
Complete
CCCC
2035
9.32
0.314
64%
Non-Participation
1
CCCM
164
9.53
0.229
65%
2
CCMC
185
6.54
0.230
60%
3
CCMM
248
6.62
0.288
56%
4
CMCC
74
3.20
0.272
67%
5
CMMC
40
3.21
0.290
65%
6
CMMM
240
3.31
0.170
62%
7
CMCM
39
3.27
-0.002
77%
Deceased
1
CD
1423
2.73
-.525
62%
2
CMD
2
6.90
-.086
50%
3
CCD
1043
5.53
-.193
56%
4
CCCD
598
8.06
-.110
65%
5
CCMD
14
6.85
-.572
50%
Table 2:
The characteristics of patterns defined for non-participation and death among the study sample, where “C” refers to completed observation, “M” refers to non-participants and “D” refers to the deceased.
