The SCCS Cohort
Enrollment in the SCCS cohort began in March of 2002 and ended in September 2009.
A tabular description of the current cohort is shown below.
A tabular description of the current cohort is shown below.
|
African American |
White |
Other racial/ethnic group |
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|
|
Women |
Men |
Women |
Men |
Women |
Men |
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|
Number of... |
32,457 |
22,905 |
15,463 |
9,842 |
2,564 |
1,566 |
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|
Mean age at enrollment (years) |
51.8 |
50.9 |
53.9 |
54.2 |
53.0 |
53.1 |
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|
Percent enrolled at a community health center |
91.2 |
91.0 |
80.9 |
67.2 |
75.0 |
64.4 |
||||
|
Percent with stored baseline blood sample |
46.2 |
49.3 |
47.1 |
39.3 |
40.8 |
35.0 |
||||
|
Percent with stored baseline buccal cell sample |
47.7 |
40.0 |
43.5 |
46.9 |
46.3 |
48.5 |
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|
Percent with stored baseline urine sample |
26.5 |
25.3 |
33.3 |
26.9 |
32.4 |
25.3 |
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* Further descriptive and aggregated tabulations of SCCS participant data are available to researchers upon request. See Research Opportunities for more information about the process to request SCCS data).