Evidence map›Paper›PMID 31017887›Full record

Observational studyPloS one2019

Sedentary behavior, physical inactivity and body composition in relation to idiopathic infertility among men and women.

Aude-Marie Foucaut, Céline Faure, Chantal Julia, Sébastien Czernichow, Rachel Levy, Charlotte Dupont, ALIFERT collaborative group

Open access · goldAbstract readMulticenter StudyObservational Study
In one paragraph

Observational study in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed, 5 pooled it
5.5field-weighted citation impact, top 3% of its field
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

44 citing papers in PubMed, 5 syntheses or guidelines pooled it, 101 citations in OpenAlex.

  1. Pooled it
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  3. The Association Between Lipid Serum and Semen Parameters: a Systematic Review.Reproductive sciences (Thousand Oaks, Calif.) · 2023
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  17. Male aging in germ cells: What are we inheriting?Genetics and molecular biology · 2025
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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

7 authors at 5 institutions in 4 countries.

Aude-Marie FoucautUniversité Paris 13, Sorbonne Paris Cité, Laboratoire Educations et Pratiques de Santé (LEPS) EA 3412, UFR SMBH, Bobigny, France.ORCID 0000-0002-4258-1355
Céline FaureAP-HP, Hôpital Tenon, service de biologie de la reproduction CECOS, Paris, France.
Chantal JuliaUniversité Paris 13, Equipe de Recherche en Epidémiologie Nutritionnelle (EREN), Centre d'Epidemiologie et Biostatistiques Sorbonne Paris Cité (CRESS), Inserm U1153, Inra U1125, Cnam, COMUE Sorbonne-Paris-Cité, Bobigny, France.
Sébastien CzernichowService de nutrition (Centre Spécialisé Obésité IdF), Hôpital européen Georges Pompidou, AP-HP, Paris, France.
Rachel LevySorbonne Université, Saint Antoine Research center, INSERM équipe Lipodystrophies génétiques et acquises. Service de biologie de la reproduction-CECOS, AP-HP, Hôpital Tenon, Paris, France.
Charlotte DupontSorbonne Université, Saint Antoine Research center, INSERM équipe Lipodystrophies génétiques et acquises. Service de biologie de la reproduction-CECOS, AP-HP, Hôpital Tenon, Paris, France.
ALIFERT collaborative group
Inserm · FRCentre Hospitalier Universitaire de Saint-Étienne · FRDélégation Paris 5 · FRSorbonne Université · FRUniversité Paris Cité · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPhysical activity (PA) and sedentary behavior have inconsistent effects on fertility. High body mass index is associated with infertility but to our knowledge, very few studies have explored body composition in association to fertility.

objectiveTo assess the association between physical inactivity, sedentary behavior, body composition and idiopathic infertility in French men and women.

designWe conducted a case-control multicentric observational study. 159 infertile (79 men and 80 women) and 143 fertile (72 men and 71 women) were recorded in four fertility centers.

main outcome measuresParticipants completed self-administered questionnaires on sociodemographic and lifestyle characteristics, dietary intake, physical activity and sedentary behavior. Anthropometrics were measured, and bioelectrical impedance analysis was used to estimate body composition. Multivariable logistic regression was used to analyze the association of fertility with PA level and sedentary behavior.

resultsIn men, being physically inactive (Odd ratio [OR] 2.20; 95% confidence interval [CI], 1.06, 4.58) and having fat mass greater than the reference values for their age (OR 2.83; 95%CI, 1.31, 6.10) were positively associated with infertility. Sedentary behavior and fat-free mass were not related to infertility in men. In women, sedentary behavior (OR 3.61; 95%CI, 1.58, 8.24), high body fat (OR 3.16; 95%CI, 1.36, 7.37) and low fat-free mass (OR 2.65; 95%CI, 1.10, 6.37) were associated with infertility. PA level was not associated with fertility in women.

conclusionsThis study suggests that sedentary behavior and physical inactivity would represent two independent risk factors associated with infertility. The various elements that make up physical activity (frequency, intensity, time, and type of exercise) and the interrupting time spent sitting should be considered. Body composition variation should be explored further in relation to the biological pathways involved in idiopathic infertility. Moreover, the improvement of lifestyle factors should be considered in infertility treatment.

Indexed as

Sedentary BehaviorAdultBody CompositionBody Mass IndexCase-Control StudiesExerciseFemaleFranceHumansInfertility, FemaleInfertility, MaleMaleRisk FactorsSex FactorsSurveys and Questionnaires

Identifiers

PMID31017887
PMCPMC6481765
OpenAlexW2950344940

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

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.