Evidence map›Paper›PMID 27556401›Full record

ArticlePloS one2016

Patterns of Family Formation in Response to Sex Ratio Variation.

Ryan Schacht, Karen L Kramer

Abstract read
In one paragraph

Article in PloS one, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing 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

25 citing papers in PubMed.

  1. Review
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  17. Review
  18. Persistent effect of sex ratios on relationship quality and life satisfaction.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017
    Article
  19. Sex roles and adult sex ratios: insights from mammalian biology and consequences for primate behaviour.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017
    Review
  20. Adult sex ratios and reproductive strategies: a critical re-examination of sex differences in human and animal societies.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017
    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

2 authors.

Ryan SchachtDepartment of Anthropology, University of Utah, Salt Lake City, Utah, United States of America.
Karen L KramerDepartment of Anthropology, University of Utah, Salt Lake City, Utah, United States of America.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The impact that unbalanced sex ratios have on health and societal outcomes is of mounting contemporary concern. However, it is increasingly unclear whether it is male- or female-biased sex ratios that are associated with family and social instability. From a socio-demographic perspective, male-biased sex ratios leave many men unable to find a mate, elevating competition among males, disrupting family formation and negatively affecting social stability. In contrast, from a mating-market perspective, males are expected to be less willing to marry and commit to a family when the sex ratio is female-biased and males are rare. Here we use U.S. data to evaluate predictions from these competing frameworks by testing the relationship between the adult sex ratio and measures of family formation. We find that when women are rare men are more likely to marry, be part of a family and be sexually committed to a single partner. Our results do not support claims that male-biased sex ratios lead to negative family outcomes due to a surplus of unmarried men. Rather, our results highlight the need to pay increased attention to female-biased sex ratios.

Indexed as

FamilySex RatioAdolescentAdultFemaleHumansMaleMarital StatusMiddle AgedModels, StatisticalPopulation SurveillanceSocial BehaviorUnited StatesYoung Adult

Identifiers

PMID27556401
PMCPMC4996529

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.