Evidence map›Paper›PMID 24167181›Full record

Trial reportPediatrics2013

Hypospadias and residential proximity to pesticide applications.

Suzan L Carmichael, Wei Yang, Eric M Roberts, Susan E Kegley, Craig Wolff, Liang Guo, Edward J Lammer, Paul English, Gary M Shaw

Open access · bronzeAbstract readRandomized Controlled Trial
In one paragraph

Trial report in Pediatrics, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
4.0field-weighted citation impact, top 8% 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

21 citing papers in PubMed, 1 synthesis or guideline pooled it, 53 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Article
  4. Article
  5. The Changing Climate and Pregnancy Health.Current environmental health reports · 2022
    Review
  6. Article
  7. Review
  8. Review
  9. Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Review
  16. Article
  17. Joint effects of genetic variants and residential proximity to pesticide applications on hypospadias risk.Birth defects research. Part A, Clinical and molecular teratology · 2016
    Article
  18. Article
  19. Article
  20. Do endocrine disruptors cause hypospadias?Translational andrology and urology · 2014
    Review
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

9 authors at 5 institutions in 1 country.

Suzan L CarmichaelDepartment of Pediatrics, Division of Neonatal and Developmental Medicine, Stanford University, 1265 Welch Road, Room X111, Stanford, CA 94305-5415. scarmichael@stanford.edu.
Wei Yang
Eric M Roberts
Susan E Kegley
Craig Wolff
Liang Guo
Edward J Lammer
Paul English
Gary M Shaw
Public Health Institute · USStanford University · USCalifornia Department of Pesticide Regulation · USCalifornia Department of Public Health · USSierra Lobo (United States) · US

Funding

California Center of the NBDPS - Finding Causes and Preventives of Birth DefectsU01DD000489 · DD · STANFORD UNIVERSITY · PI SHAW, GARY C. · 2009 to 2013
$4.3M
Genes, environmental exposures, and hypospadiasR01ES017060 · NIEHS · STANFORD UNIVERSITY · PI CARMICHAEL, SUZAN L · 2008 to 2012
$1.7M
NCBDD CDC HHS 6U01DD000489NCBDD CDC HHS U01 DD000489NIEHS NIH HHS R01 ES017060
6 · The paper itself

Abstract

backgroundExperimental evidence suggests pesticides may be associated with hypospadias.

objectiveExamine the association of hypospadias with residential proximity to commercial agricultural pesticide applications.

methodsThe study population included male infants born from 1991 to 2004 to mothers residing in 8 California counties. Cases (n = 690) were ascertained by the California Birth Defects Monitoring Program; controls were selected randomly from the birth population (n = 2195). We determined early pregnancy exposure to pesticide applications within a 500-m radius of mother's residential address, using detailed data on applications and land use. Associations with exposures to physicochemical groups of pesticides and specific chemicals were assessed using logistic regression adjusted for maternal race or ethnicity and age and infant birth year.

resultsForty-one percent of cases and controls were classified as exposed to 57 chemical groups and 292 chemicals. Despite >500 statistical comparisons, there were few elevated odds ratios with confidence intervals that excluded 1 for chemical groups or specific chemicals. Those that did were for monochlorophenoxy acid or ester herbicides; the insecticides aldicarb, dimethoate, phorate, and petroleum oils; and adjuvant polyoxyethylene sorbitol among all cases; 2,6-dinitroaniline herbicides, the herbicide oxyfluorfen, and the fungicide copper sulfate among mild cases; and chloroacetanilide herbicides, polyalkyloxy compounds used as adjuvants, the insecticides aldicarb and acephate, and the adjuvant nonyl-phenoxy-poly(ethylene oxy)ethanol among moderate and severe cases. Odds ratios ranged from 1.9 to 2.9.

conclusionsMost pesticides were not associated with elevated hypospadias risk. For the few that were associated, results should be interpreted with caution until replicated in other study populations.

Indexed as

Residence CharacteristicsAdultEnvironmental ExposureFemaleHumansHypospadiasInfantMaleMiddle AgedPesticidesPregnancyPrenatal Exposure Delayed EffectsPesticidesbirth defectsendocrine disruptorsenvironmenthypospadiaspesticides

Identifiers

PMID24167181
PMCPMC3813401
OpenAlexW2006778901

What OpenQuestion holds

Textmetadata
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.