Maelstrom Research Staging

HAS_baseline

Networks -

Variables -

Associated study HAS Contingency Table

Population

HAS - Population

The HAS population consists of 1,428 live singleton births in North Hertfordshire between 1920 and 1930.

Selection Criteria

Newborns

Twins

Countries

United Kingdom

Territory

North Hertfordshire

Ethnic Origin

Health Status

Recruitment

Sources of recruitment

General population

General Population

Selected sample

Number of Participants

Number of Participants

1,428

Number of Participants with Biological Samples

717

Supplementary Information about selection criteria

Baseline: 1428 individuals

Follow-up 1: Target population: 1428 individuals residing in North Hertfordshire: 824 participants for the interview of which 717 with biological samples.

Follow-up 2: Target population: 717 individuals with biological samples from follow-up 1: 359 participants for the interview of which 294 with biological samples.

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Data Collection Event

HAS - Baseline

Baseline assessment of participants during the age of 0-5 years. Early life measures (weight at birth, method of infant feeding, weight at one year of age, illness and development to age 5).

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Collected Dataset / HAS_baseline

HAS_baseline

Population

HAS - Population

Data Collection Event

HAS - Baseline

Files

Variables Classifications