Evidence map›Paper›PMID 33150400›Full record

ArticleInternational health2021

Interpregnancy interval in lower versus higher human development index countries: a hypothesis about pregnancy spacing.

Margo S Harrison

Abstract read
In one paragraph

Article in International health, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

1 author.

Margo S HarrisonUniversity of Colorado Anschutz Medical Campus, Mail Stop B198-2, Academic Office 1, 12631 E. 17th Avenue, Room 4211, Aurora, Colorado 80045, USA.

Funding

COLORADO WRHR CAREER DEVELOPMENT CENTERK12HD001271 · NICHD · UNIVERSITY OF COLORADO DENVER · PI Saketh R Guntupalli · 1999 to 2026
$8.9M
NICHD NIH HHS K12 HD001271
6 · The paper itself

Abstract

backgroundA secondary analysis was conducted of two separate datasets to observe the association between maternal age and interpregnancy interval (IPI).

methodsThe IPI in a middle-income country (Guatemala) was compared with that of a very-high-income country (USA) among women with two pregnancies.

resultsA regression model found that with each increasing year of age, the IPI increases by 1.26 months (p<0.001) in Guatemala. A regression model found that IPI decreased as women aged in the USA.

conclusionsIt is hypothesized that as countries progress in their development indices, women may delay childbearing, which may result in reduced IPI, as was the case in the USA compared with Guatemala in these datasets.

Indexed as

Birth IntervalsIncomeFemaleGuatemalaHumansInfantMaternal AgePregnancyhuman development indexinterpregnancy interval

Identifiers

PMID33150400
PMCPMC7902684

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.