Medical Definition of Nurses Health Study

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Nurses Health Study: A very large and important prospective investigation into the risk factors for major chronic diseases in women. (In a prospective study the participants are identified and then followed forward in time.) The participants in the study are female registered nurses (RNs).

The Nurses' Health Study (NHS) was established in 1976 by Dr. Frank Speizer at the Channing Laboratory (Harvard Medical School). Funding was from the National Institutes of Health (NIH). The primary motivation was to investigate the potential long term consequences of the use of oral contraceptives. Registered nurses were selected to be followed prospectively. It was anticipated that, because of their nursing education, they would be able to respond with a high degree of accuracy to brief, technically-worded questionnaires and would be motivated to participate in a long term study. Married registered nurses who were aged 30 to 55 in 1976, who lived in the 11 most populous states and whose nursing boards agreed to supply the study with their members' names and addresses were enrolled in the cohort if they responded to the baseline questionnaire. The original states were California, Connecticut, Florida, Maryland, Massachusetts, Michigan, New Jersey, New York, Ohio, Pennsylvania and Texas. Every two years cohort members receive a follow-up questionnaire with questions about diseases and health-related topics including smoking, hormone use, and menopausal status. This study has followed 121,700 female registered nurses.

Because it was recognized that diet and nutrition would play important roles in the development chronic diseases, in 1980, the first food frequency questionnaire was collected. Subsequent diet questionnaires were collected in 1984, 1986 and every four years since. At the request of some of the nurses and with the addition of investigators to the research team interested in quality of life issues, questions related to quality-of-life were added in 1992 and repeated every four years.

The Nurses' Health Study II was started, also at the Channing, in 1989, and has followed 116,000 female nurses since this time. The Physicians' Health Study is a comparable large long-term study of men's health issues. See: Physicians Health Study.

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Reviewed on 12/11/2018

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