Table 4: Frequency distribution of participants who completed the Intensive Protocol Assessments by the original six age/cohort groups of the BASE design

 
Time 1

Baseline (1990-1993)
Time 3

First Follow-up (1995-1996)
Time 4

Second Follow-up (1997-1998)
Time 5

Third Follow-up (2000)
Time 6

Fourth Follow-up (2004-2005)
Age group at baseline
Men

N=258
Women

N=258
Total

N=516
Men

N=101
Women

N=105
Total

N=206
Men

N=60
Women

N=72
Total

N=132
Men

N=32
Women

N=50
Total

N=82
Men

N=16
Women

N=30
Total

N=46
70-74
43 (100%)
43 (100%)
86 (100%)
29 (67.4%)
31 (72.1%)
60 (69.8%)
21 (48.8%)
25 (58.1%)
46 (53.5%)
16 (37.2%)
18 (41.9%)
34 (39.5%)
10 (23.3%)
13 (30.2%)
23 (26.7%)
75-79
43 (100%)
43 (100%)
86 (100%)
30 (69.8%)
29 (67.4%)
59 (68.6%)
16 (37.2%)
23 (53.5%)
39 (45.3%)
8 (18.6%)
19 (44.2%)
27 (31.4%)
2 (4.7%)
9 (20.9%)
11 (12.8%)
80-84
43 (100%)
43 (100%)
86 (100%)
21 (48.8%)
20 (46.1%)
41 (47.7%)
16 (37.2%)
15 (34.9%)
31 (36.0%)
7 (16.3%)

10 (23.3%)

17 (19.8%)

4 (9.3%)
6 (14.0%)
10 (11.6%)
85-89
43 (100%)
43 (100%)
86 (100%)
11 (25.6%)
15 (34.9%)
26 (30.2%)
5 (11.6%)
5 (11.6%)
10 (11.6%)
1 (2.3%)
3 (7.0%)
4 (4.7%)
0 (0.0%)
2 (4.7%)
2 (2.3%)
90-94
43 (100%)
43 (100%)
86 (100%)
6 (14.0%)
7 (16.3%)
13 (15.1%)
1 (2.3%)
3 (7.0%)
4 (4.7%)
0 (0.0%)
0 (0.0%)
0 (0.0%)
0 (0.0%)
0 (0.0%)
0 (0.0%)
95+
43 (100%)
43 (100%)
86 (100%)
4 (9.3%)
3 (7.0%)
7 (8.1%)
1 (2.3%)
1 (2.3%)
2 (2.3%)
0 (0.0%)
0 (0.0%)
0 (0.0%)
0 (0.0%)
0 (0.0%)
0 (0.0%)

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