Maelstrom Research Staging | NHSII

NHSII_Followup1

Networks -

Variables -

Population

NHS II

The population is composed of registered nurses aged 25 to 42 years at recruitment in 1989 living in California, Connecticut, Indiana, Iowa, Kentucky, Massachusetts, Michigan, Missouri, New York, North Carolina, Ohio, Pennsylvania, South Carolina and Texas.

Selection Criteria

Sex

Women

Minimum age

Maximum age

Newborns

Twins

Countries

United States of America

Territory

California, Connecticut, Indiana, Iowa, Kentucky, Massachusetts, Michigan, Missouri, New York, North Carolina, Ohio, Pennsylvania, South Carolina and Texas.

Ethnic Origin

Health Status

Other Criteria

Primarily premenopausal women (mainly Caucasian) who had no history of cancer were included in the study population.

Recruitment

Sources of recruitment

Specific population

Specific Population

Members of an association

Supplementary Information

Eligible participants were recruited through the American Nurses' Association data. Nurses who responded to the first mailed questionnaires were comprised in the cohort.

Participants from Existing Studies

Number of Participants

Number of Participants

116,429

Number of Participants with Biological Samples

Supplementary Information about selection criteria

1996-99 blood and urine samples: 29,611 participants (18,521 women gave a blood sample in the early follicular phase and a blood and urine sample in the mid-luteal phase of the menstrual cycle)

2006-08 cheek cells samples: 29,859 participants

2010-12 blood and urine samples: 17,275 participants

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Data Collection Event

NHS II follow-up 1

Information on diseases and health-related topics, including smoking, hormone use, pregnancy history, and menopausal status are assessed through questionnaires. Weight and height mesures are also collected. Information on cancer, myocardial infarction or stroke and participants deaths are collected through health databases.

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Collected Dataset / NHSII_Followup1

NHSII_Followup1

Population

NHS II

Data Collection Event

NHS II follow-up 1

Files

Variables Classifications