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National Maternal and Infant Health Survey, 1988 (ICPSR 9730)
Principal Investigator(s): United States Department of Health and Human Services. National Center for Health Statistics
This survey was designed to explore factors that cause negative pregnancy outcomes. Questions were asked of pregnant women concerning prenatal care, weight gain or loss during pregnancy, alcohol, cigarette, or drug use during pregnancy, and whether vitamin or mineral supplements were taken before or during pregnancy. In addition, questions were asked about the use of home pregnancy tests, exercise before and during pregnancy, medical care before, during, and after delivery, previous pregnancies and their outcomes, birth control use, and how the mother felt and behaved. Demographic information about the mother such as marital status, marital history, date of birth, state of birth, mother's weight at birth, weight changes before, during, and after pregnancy, height, race, education, work history, and place of residence was obtained. Information about the father includes items such as age, height, weight, education, and job status. In addition, family income questions were asked, as were questions about the health, care, and feeding of the baby. Information was also taken from birth certificates and fetal and infant death certificates.
These data are available to the general public.
WARNING: This study is over 150MB in size and may take several minutes to download on a typical internet connection.
United States Department of Health and Human Services. National Center for Health Statistics. National Maternal and Infant Health Survey, 1988. ICPSR09730-v3. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2008-08-19. http://doi.org/10.3886/ICPSR09730.v3
Persistent URL: http://doi.org/10.3886/ICPSR09730.v3
Scope of Study
Geographic Coverage: United States
Universe: Women between the ages of 15 and 49 who had a pregnancy in 1988.
Data Types: survey data, and administrative records data
Data Collection Notes:
Per agreement with the National Center for Health Statistics (NCHS), ICPSR distributes the data file(s) and technical documentation in this collection in their original form as prepared by NCHS.
Sample: Stratified, systematic sampling from the 48 states, the District of Columbia, and New York City in 1988. For Part 2, the Texas--Hispanic Sample, all Texans from the national file were combined with an oversample of Texas Hispanics.
Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major statistical software formats as well as standard codebooks to accompany the data. In addition to these procedures, ICPSR performed the following processing steps for this data collection:
- Standardized missing values.
Restrictions: In preparing the data tape(s) for this collection, the National Center for Health Statistics (NCHS) has removed direct identifiers and characteristics that might lead to identification of data subjects. As an additional precaution, NCHS requires, under section 308(d) of the Public Health Service Act (42 U.S.C. 242m), that data collected by NCHS not be used for any purpose other than statistical analysis and reporting. NCHS further requires that analysts not use the data to learn the identity of any persons or establishments and that the director of NCHS be notified if any identities are inadvertently discovered. ICPSR member institutions and other users ordering data from ICPSR are expected to adhere to these restrictions.
Original ICPSR Release: 1992-05-12
- 2008-08-19 The data producer provided a revised dataset, data dictionaries, data documentation, ICD 9 codes, and data collection instruments.
- 2006-01-18 File CB9730.ALL.PDF was removed from any previous datasets and flagged as a study-level file, so that it will accompany all downloads.
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