Helsinki Birth Cohort Study
The main aim of HBCS is to assess the importance of early life factor on later health outcomes taking into account adult lifestyle, socioeconomic factors and genetic factors.
Overview
- Acronym
- HBCS
- Investigators
-
- Contacts
-
General Design
- Study design
- Cohort
- Start - End Year
- 1934 -
- General Information on Follow Up (profile, frequency)
-
13 345 people born 1934-44 have been followed-up longitudinally – of them 2003 have been participating in a clinical study at several time points starting in 1995.
- Recruitment Target
-
- Individuals
- Number of Participants
- 13,345
- Number of Participants with Biological Samples
- 2,003
Access
Availability of data and biosamples
| Possible Access to Data | |
| Possible Access to Biosamples | |
| Other |
|
Marker Papers
Barker DJ, Osmond C, Forsén TJ, Kajantie E, Eriksson JG. Trajectories of growth among children who have coronary events as adults. The New England Journal of Medicine, 2005; 353(17): 1802-9.
PUBMED 16251536Supplementary Information
For access to the data and biosamples please apply to HBCS’s steering committee.
Timeline
Population
The HBCS cohort is composed of men and women born as singletons at Helsinki University Central Hospital during 1934-44, who attended child welfare clinics in the city of Helsinki and who were still resident in Finland in 1971.
Selection Criteria
- Countries
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- Finland
- Supplementary Information about selection criteria
-
The participants had to have been born as singletons at Helsinki University Central Hospital during 1934-44, have attended child welfare clinics in the city of Helsinki.
Sample Size
- Number of Participants
- 13,345
- Number of Participants with Biological Samples
- 2,003
- Supplementary information about number of participants
-
Baseline (at birth): 13 345 participants
Socioeconomic data: 13 345 participants
Follow-up 1: 4515 participants
Clinical Evaluation: 2003 participants
Follow-up 2: 1078 participants
Follow-up 3: 1080 participants
Data Collection Events
| # | Name | Data sources | Data sources - Biosamples | Start | End |
|---|---|---|---|---|---|
| 0 | HBCS - Baseline |
|
1934 | 1946 | |
| 1 | HBCS - Socioeconomic information from registries |
|
1944 | 2001 | |
| 2 | HBCS - Follow-up 1 |
|
2000 | 2000 | |
| 3 | HBCS - Mortality |
|
2000 (November) | 2010 (December) | |
| 4 | HBCS - Clinical Evaluation |
|
|
2001 (August) | 2004 (March) |
| 5 | HBCS - Follow-up 2 |
|
2004 (April) | 2005 (June) | |
| 6 | HBCS - Follow-up 3 |
|
|
2011 (October) | 2013 (April) |
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 |
|---|