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Query Results for New Mexico Birth Data - Percentage of All Low Birth Weight Infants (less than 2500 grams)

Year Filter: 2017
Data Grouped By:Mother's County of Residence

**The count or rate in certain cells of the table has been suppressed either because 1) the observed number of events is very small and not appropriate for publication, or 2) it could be used to calculate the number in a cell that has been suppressed. For survey queries, percentages calculated from fewer than 50 survey responses are suppressed.

Statistical Stability

Statistical stability, reported in the data table, is based on a statistic called the "Relative Standard Error," or RSE, which is the standard error expressed as a proportion of the point estimate (e.g., 30% of the point estimate). The following conventions are used here to interpret the RSE. * A dash (-) means that the relative standard error (RSE) is below 0.30 and the count or rate may be considered stable. * "Unstable" is displayed when the RSE is 0.30-0.50. An unstable count or rate may fluctuate widely across time periods due to random variation (chance). * "Very Unstable" is displayed when the RSE is greater than 0.50. A very unstable count or rate should not be used to inform decisions. You may combine years or otherwise increase the population size used in the query to achieve a more stable count or rate. Problems with statistical instability typically occur when there is a small number of health events in a small population. For more information on statistical stability, visit the NM-IBIS Reliability & Validity page [https://ibis.health.state.nm.us/resource/ReliabilityValidity.html].

New Mexico Resident Births

This query includes only births to women who were New Mexico residents.

NM-IBIS Map Guidance

For guidance on NM-IBIS map categories, please visit [https://ibis.health.state.nm.us/resource/MapChoroClasses.html].

U.S. Data

Comparable data for the U.S. and other states may be found on the CDC's Wide-ranging ONline Data for Epidemiologic Research (CDC WONDER) [https://wonder.cdc.gov].

Converting Grams to Pounds

You can find a tool for converting grams to pounds here: [http://www.metric-conversions.org/weight/grams-to-pounds.htm Metric Conversions].
  • New Mexico Birth Certificate Database, Bureau of Vital Records and Health Statistics, New Mexico Department of Health

New Mexico Birth Certificate Data

Birth records are filed electronically by hospitals. Medical records staff use standard mother and facility worksheets and medical charts to complete the birth registration. Hospital training is provided by the Bureau of Vital Records and Health Statistics (BVRHS) and is based on the Vital Statistics Act and Regulations, BVRHS documentation, and handbooks produced by CDC's National Center for Health Statistics (NCHS). The electronic birth registration system has online edits and records are reviewed by BVRHS. Additionally, NCHS provides feedback to BVRHS on data quality. The state also provides feedback to the hospitals to improve data quality and contacts the hospital staff for clarification of missing, inconsistent or incorrect entries.

Changes to U.S. Standard Birth Certificate Caused Discontinuity in Data Over Time

Beginning with 2008 births, New Mexico implemented the 2003 U.S. standard birth certificate in alignment with the National Center for Health Statistics. As a result of national changes to question wording and format, some information is not comparable between the 1989 and 2003 birth certificate revisions. This information includes educational attainment, month and trimester prenatal care began, and tobacco use during pregnancy (and, for New Mexico, calculated gestation). In addition, initially, the transition to new questions may have resulted in more incomplete information. For education and prenatal care, differences between years prior to 2008 and births in 2008 and later years are largely related to changes in reporting rather than changes in educational attainment or prenatal care utilization. For more information, refer to New Mexico Selected Health Statistics [http://nmhealth.org/data/view/vital/560/ Annual Report, 2008], pages 136-139.

Infant's Gestational Age

Gestational age is derived from date of last normal menstrual period. In cases where menstrual period information is missing or does not concur with infant birthweight, the physician's estimated gestational age is used.

Confidence Intervals for Zero Values

For rates where the count is zero, a numerator of "3" was used to calculate the confidence interval (per Lilienfeld and Stolley, __Foundations of Epidemiology__, 1994, p. 303).
These data were queried on: Tue, 16 Jul 2019 13:18:54 MDT
The dataset was last updated on: Wed, 7 Nov 2018 13:04:36 MST

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The information provided above is from the New Mexico Department of Health's NM-IBIS web site (http://ibis.health.state.nm.us). The information published on this website may be reproduced without permission. Please use the following citation: "Retrieved Tue, 16 July 2019 from New Mexico Department of Health, Indicator-Based Information System for Public Health Web site: http://ibis.health.state.nm.us".

Content updated: Wed, 22 Aug 2018 17:00:11 MDT