Query Results for Hawaiʻi Pregnancy Risk Assessment Monitoring System (PRAMS) Data - Infant - gestational age

Query Result Page Options

Query Criteria

Year Filter:	2020, 2021, 2022
Data Grouped By:	Year, Infant - gestational age

Chart

Data Table

Early preterm (<32 weeks)
	1	Early preterm (<32 weeks)	2020	19	1.1%	0.8%	1.5%	200	15,500	Stable
	1	Early preterm (<32 weeks)	2021	20	1.4%	1.0%	2.1%	200	15,300	Stable
	1	Early preterm (<32 weeks)	2022	21	1.0%	0.7%	1.4%	200	15,200	Stable
Preterm (32-36 weeks)
	2	Preterm (32-36 weeks)	2020	19	8.1%	6.5%	10.0%	1,300	15,500	Stable
	2	Preterm (32-36 weeks)	2021	20	7.0%	5.7%	8.4%	1,100	15,300	Stable
	2	Preterm (32-36 weeks)	2022	21	7.2%	5.7%	8.9%	1,100	15,200	Stable
Full term (37-41 weeks)
	3	Full term (37-41 weeks)	2020	19	90.6%	88.8%	92.3%	14,100	15,500	Stable
	3	Full term (37-41 weeks)	2021	20	91.4%	89.8%	92.7%	14,000	15,300	Stable
	3	Full term (37-41 weeks)	2022	21	91.3%	89.5%	92.9%	13,900	15,200	Stable
Post term (42+ weeks)
	4	Post term (42+ weeks)	2020	19	0.2%	0.1%	0.5%	50	15,500	Unstable
	4	Post term (42+ weeks)	2021	20	0.2%	0.1%	0.7%	50	15,300	Very Unstable
	4	Post term (42+ weeks)	2022	21	0.5%	0.2%	1.4%	100	15,200	Very Unstable

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Technical Notes

Data Notes

Question Wording:
Gestational age comes from the birth certificate and is categorized as early preterm (<32 weeks), preterm (32-36 weeks), full term (37-41 weeks) and post term (42+ weeks).
Weighted Survey Data
The percentages reported above have been produced by weighting the sample so that the results better represent the population of Hawaiʻi. Numerator and denominator data have been rounded to the nearest 100. In cases where the numerator is 49 or less, it is displayed as 50.

Data Sources

Citation: Hawaii State Department of Health, Hawaii Health Data Warehouse, Pregnancy Risk Assessment Monitoring System. [Chart Title, appropriate years(s)]. Published [update date]. Accessed [query date]. [URL]

Data Issue

Statistical Stability

Relative standard error, or RSE, is the standard error expressed as a proportion of the point estimate.

"Stable" is displayed when the RSE is below 0.30.

"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 decision making.

Problems with statistical instability typically occur when there is a small number of health events in a small population. You may combine years or otherwise increase the population size used in the query to achieve a more stable count or rate.

Survey Sample

PRAMS uses a two-stage, stratified random sampling method to identify the sample. The sampling frame is drawn from birth certificates. Each month, approximately 200 women who are 2 to 4 months post-delivery are chosen. The sample includes only residents of Hawai'i who had a recent live birth in the state. The results are weighted to ensure accurate representation of the population.

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