Washington Heights/Inwood Columbia Aging Project
Overview
- Acronym
- WHICAP
- Website
- WHICAP
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 1992 -
- General Information on Follow Up (profile, frequency)
-
Participants of WHICAP I were followed-up at intervals of 24 months and the participants of WHICAP II are followed-up at intervals of 18 months for a maximum of 4 assessments (baseline + 3 follow-ups).
- Recruitment Target
-
- Individuals
- Number of Participants
- 4,308
- Number of Participants with Biological Samples
- 4,308
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Paper
Tang MX, Cross P, Andrews H, Jacobs DM, Small S, Bell K, Merchant C, Lantigua R, Costa R, Stern Y, Mayeux R. Incidence of AD in African-Americans, Caribbean Hispanics, and Caucasians in northern Manhattan. Neurology, 2001; 56(1): 49-56.
PUBMED 11148235Timeline
Populations
Participants were healthy Medicare beneficiaries without dementia, aged 65 years and older in 1992-1994, and residing in 3 contiguous ZIP codes within the community of Washington Heights in northern New York City.
Selection Criteria
- Minimum age
-
65
- Countries
-
- United States of America
- Territory
-
Washington Heights and Inwood in New York
- Ethnic Origin
-
- African-Americans
- Caribbean Hispanics
- Caucasians
- Other Criteria
-
Participants had to reside in the community during baseline and speak English or Spanish.
Sources of Recruitment
- Specific Population
-
- Members of an association
- Supplementary Information
-
Participants were randomly drawn from lists of all Medicare or Medicaid recipients in the study area, which were obtained from Health Care Financing Administration.
Sample Size
- Number of Participants
- 2,125
- Number of Participants with Biological Samples
- 2,125
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | WHICAP I - Baseline |
|
|
1992 | 1994 |
| 1 | WHICAP I - Follow-up 1 |
|
|
1994 | 1996 |
| 2 | WHICAP I - Follow-up 2 |
|
|
1996 | 1998 |
| 3 | WHICAP I - Follow-up 3 |
|
|
1998 | 1999 |
The WHICAP II cohort represents a combination of continuing participants of WHICAP I (n = 602) and newly recruited participants (n = 2183). Participants were again healthy Medicare beneficiaries without dementia, aged 65 years and older in 1999-2001, and residing in 3 contiguous ZIP codes within the community of Washington Heights in northern New York City.
Selection Criteria
- Minimum age
-
65
- Countries
-
- United States of America
- Territory
-
Washington Heights and Inwood in New York
- Ethnic Origin
-
- African-Americans, Caribbean Hispanics, Caucasians
- Other Criteria
-
Participants had to speak English or Spanish.
Sources of Recruitment
- Specific Population
-
- Members of an association
- Supplementary Information
-
Participants were randomly drawn from new lists of all Medicare or Medicaid recipients in the study area, which were obtained from Health Care Financing Administration.
Sample Size
- Number of Participants
- 2,785
- Number of Participants with Biological Samples
- 2,785
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | WHICAP II - Baseline |
|
|
1999 (January) | 2001 (December) |
| 1 | WHICAP II - Follow-up 1 |
|
|
2000 (July) | 2003 (June) |
| 2 | WHICAP II - Follow-up 2 |
|
|
2002 (January) | 2004 (December) |
| 3 | WHICAP II - Follow-up 3 |
|
|
2003 (July) | 2006 (June) |
| 4 | WHICAP II - Follow-up 4 |
|
|
2005 (January) | 2007 (December) |
| 5 | WHICAP II - Follow-up 5 |
|
|
2006 (July) | 2009 (June) |
| 6 | WHICAP II - Follow-up 6 |
|
|
2008 (January) | 2010 (December) |
| 7 | WHICAP II - Follow-up 7 |
|
|
2009 (July) | 2012 (June) |
| 8 | WHICAP II - Follow-up 8 |
|
|
2011 (January) | 2013 (December) |
| 9 | WHICAP II - Follow-up 9 |
|
|
2012 (July) | 2015 (June) |
Participating Studies
| Acronym | Name | Study design | Countries |
|---|
Harmonization Initiatives Included
| Acronym | Name |
|---|
Datasets
| Name | Data Collection Events | Variables |
|---|
Areas of Information Collected
- Socio-demographic and economic characteristics
- Death
- Lifestyle and behaviours
- Physical measures and assessments
- Birth, pregnancy and reproductive health history
- Laboratory measures
- Perception of health, quality of life, development and functional limitations
- Cognition, personality and psychological measures and assessments
- Diseases
- Life events, life plans, beliefs and values
- Symptoms and signs
- Preschool, school and work life
- Medication and supplements
- Social environment and relationships
- Non-pharmacological interventions
- Physical environment
- Health and community care services utilization
- Administrative information
Variables Content Summary
Areas of Information Collected
Areas of Information Collected per per Population and Data Collection Event
Networks
| Acronym | Name | Harmonization Initiatives | Individual Studies |
|---|