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 |
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| Characteristics of American Cancer Society Cohorts |
|
Characteristics of American Cancer Society Cohorts
|
|
CPS-I |
CPS-II
Baseline |
CPS-II
Nutrition |
CPS-II
LifeLink |
|
STUDY DESIGN |
|
|
|
|
|
Study participants |
1,000,000 |
1,200,000 |
184,000 |
40,000 |
|
Volunteer recruiters |
68,000 |
77,000 |
7,000 |
2,000 |
|
Years of follow-up |
1959-1972 |
1982 - ongoing |
1992 - ongoing |
1998 - ongoing |
|
Number of States |
25 |
50 |
21 |
20 |
| |
|
|
|
|
|
DEMOGRAPHICS |
|
|
|
|
|
Women (%) |
57 |
57 |
53 |
56 |
|
White (%) |
97 |
93 |
97 |
97 |
|
Black (%) |
2 |
4 |
1 |
1 |
|
Married (%) |
85 |
83 |
88 |
- |
|
College Graduate (%) |
17 |
30 |
38 |
50 |
|
Age at entry (median) |
52 |
57 |
63 |
69 |
|
(range) |
30-108 |
30-111 |
40-92 |
48-95 |
| |
|
|
|
|
|
EXPOSURES |
|
|
|
|
|
Prevalent Cancer (%) |
3 |
7 |
12 |
13 |
|
Current cigarette smoker (%) |
29 |
20 |
7 |
5 |
|
Current alcohol drinker (%) |
33 |
42 |
57 |
68 |
|
Current hormone use (%) |
- |
15 |
31 |
52 |
|
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