Norwegian Linked Health registry at University of Oslo, Pregnancy cohort

17/01/2025
06/05/2026
Data source
Human
Birth registry
Hospital inpatient records
Hospital outpatient visit records
Pharmacy dispensing records
Primary care medical records
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Population Qualitative Data

Population age groups

  • Paediatric Population (< 18 years)
    • Infants and toddlers (28 days – 23 months)
    • Children (2 to < 12 years)
    • Adolescents (12 to < 18 years)
  • Adult and elderly population (≥18 years)
    • Adults (18 to < 65 years)
      • Adults (18 to < 46 years)
      • Adults (46 to < 65 years)

Estimated percentage of the population covered by the data source in the catchment area

This data set cover people (mother-father-child related to a pregnancy record in Birth registry) in the entire country of Norway, covering all individuals with a pregnancy event > GW12 from 2008 to 2019, their children and partners.

Description of the population covered by the data source in the catchment area whose data are not collected (e.g., people who are registered only for private care)

All pregnancies lasted less than 12 weeks; Liveborn offspring born before 2004
Family linkage

Family linkage available in the data source permanently or can be created on an ad hoc basis

Permanently

Family linkage available between the following persons

Father-child
Mother-child
Population

Population size

1939851

Active population size

1939851

Population by age group

Age group Population size Active population size
All
1939851
1939851
Paediatric Population (< 18 years)
889865
889865
Infants and toddlers (28 days – 23 months)
55483
55483
Children (2 to < 12 years)
600938
600938
Adolescents (12 to < 18 years)
233444
233444
Adult and elderly population (≥18 years)
1049986
1049986
Adults (18 to < 46 years)
951464
951464
Adults (46 to < 65 years)
98520
98520
Elderly (≥ 65 years)
2
2
Median observation time

Median time (years) between first and last available records for unique individuals

15.90

Median time (years) between first and last available records for unique active individuals (alive and currently registered)

15.90