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Impact of Smoking Information on Concerns About Radon

17 aprile 2019 aggiornato da: Paul Windschitl
Despite a push for tailored messages, health communications are often aimed at, and viewed by, people with varying levels of risk. This project examined-in the context of radon risk messages-whether information relevant to high-risk individuals can have an unintended influence on lower-risk individuals. Specifically, the investigators assessed whether information about lung-cancer risk from smoking reduced concerns about lung-cancer risk from radon among nonsmokers. The investigators hypothesized that non-smokers who read a message that included smoking-relevant information would express less concern about the effects of radon exposure and less interest in testing their home compared to those who read a version in which smoking-relevant information was excluded. Two studies were conducted. Although the investigators did not exclude smokers, the focus was on participants self-identifying as nonsmokers (including never smokers and former smokers).

Panoramica dello studio

Stato

Completato

Condizioni

Intervento / Trattamento

Descrizione dettagliata

Despite a push for tailored messages, health communications are often aimed at, and viewed by, people with varying levels of risk. This project examined-in the context of radon risk messages-whether information relevant to high-risk individuals can have an unintended influence on lower-risk individuals. Specifically, the investigators assessed whether information about lung-cancer risk from smoking reduced concerns about lung-cancer risk from radon among nonsmokers. The investigators hypothesized that non-smokers who read a message that included smoking-relevant information would express less concern about the effects of radon exposure and less interest in testing their home compared to those who read a version in which smoking-relevant information was excluded. Two studies were conducted. Although the investigators did not exclude smokers, the focus was on participants self-identifying as nonsmokers (including never smokers and former smokers). Participants in both studies were recruited through Amazon's Mechanical Turk (MTurk). Participants viewed radon messages that varied in the information they communicated about smoking's effect on lung cancer. In Study 1, smoking information was included or excluded from messages assembled from existing radon pamphlets. In Study 2, versions of a new radon message either excluded smoking information, described smoking as a major cause of lung cancer, or also described smoking's synergistic effect with radon on lung cancer risk. After viewing a radon health message, participants completed a variety of measures. Primary measures assessed respondents' anticipated sense of concern and related reactions if they learned that they/their home had been exposed to elevated levels of radon. Other key measures included questions about participants' interest and intention to test their home for radon.

Tipo di studio

Interventistico

Iscrizione (Effettivo)

1390

Fase

  • Non applicabile

Criteri di partecipazione

I ricercatori cercano persone che corrispondano a una certa descrizione, chiamata criteri di ammissibilità. Alcuni esempi di questi criteri sono le condizioni generali di salute di una persona o trattamenti precedenti.

Criteri di ammissibilità

Età idonea allo studio

18 anni e precedenti (Adulto, Adulto più anziano)

Accetta volontari sani

Sì

Sessi ammissibili allo studio

Tutto

Descrizione

Inclusion Criteria:

  • Live within the US
  • Have an Amazon Mechanical Turk account (website where online study was posted)

Exclusion Criteria:

  • None

Piano di studio

Questa sezione fornisce i dettagli del piano di studio, compreso il modo in cui lo studio è progettato e ciò che lo studio sta misurando.

Come è strutturato lo studio?

Dettagli di progettazione

  • Scopo principale: Prevenzione
  • Assegnazione: Randomizzato
  • Modello interventistico: Assegnazione fattoriale
  • Mascheramento: Separare

Armi e interventi

Gruppo di partecipanti / Arm
Intervento / Trattamento
Comparatore attivo: Study 1: Radon&Smoking Synergistic/EPA
Participants viewed radon and smoking risk information taken from the EPA's pamphlet on the dangers of radon gas exposure.
Comportamentale: Radon & Smoking Synergistic
Participants viewed health information detailing the risks of developing lung cancer from exposure to radon gas, smoking, and their synergistic effects. This intervention represents the type of information most commonly presented in radon risk communications.
Comportamentale: EPA
Health information modeled after the Environmental Protection Agency's (EPA) pamphlet on radon risk.
Comparatore attivo: Study 1: Radon&Smoking Synergistic/Idaho
Participants viewed radon and smoking risk information taken from Idaho's Department of Health and Human Welfare's pamphlet on the dangers of radon gas exposure.
Comportamentale: Radon & Smoking Synergistic
Participants viewed health information detailing the risks of developing lung cancer from exposure to radon gas, smoking, and their synergistic effects. This intervention represents the type of information most commonly presented in radon risk communications.
Comportamentale: Idaho
Health information modeled after the Idaho Department of Health and Human Welfare's pamphlet on radon risk.
Sperimentale: Study 1: Radon Only / EPA
Participants viewed only radon risk information taken from the EPA's pamphlet on the dangers of radon gas exposure.
Comportamentale: EPA
Health information modeled after the Environmental Protection Agency's (EPA) pamphlet on radon risk.
Comportamentale: Radon Only
Participants viewed health information detailing the risks of developing lung cancer from radon exposure. No information about the risks for developing lung cancer associated with smoking or its synergistic effect with radon exposure are included.
Sperimentale: Study 1: Radon Only / Idaho
Participants viewed only radon risk information taken from Idaho's Department of Health and Human Welfare's pamphlet on the dangers of radon gas exposure.
Comportamentale: Idaho
Health information modeled after the Idaho Department of Health and Human Welfare's pamphlet on radon risk.
Comportamentale: Radon Only
Participants viewed health information detailing the risks of developing lung cancer from radon exposure. No information about the risks for developing lung cancer associated with smoking or its synergistic effect with radon exposure are included.
Sperimentale: Study 2: Radon Only
Participants viewed a radon-only message that focused only on the effect of radon on lung-cancer risk.
Comportamentale: Radon Only
Participants viewed health information detailing the risks of developing lung cancer from radon exposure. No information about the risks for developing lung cancer associated with smoking or its synergistic effect with radon exposure are included.
Altro: Study 2: Radon and Smoking Isolated
Participants viewed a radon-and-smoking-isolated message that covered the individual effects of radon and of smoking on lung cancer, but without mentioning their synergistic effect.
Comportamentale: Radon and Smoking Isolated
Participants viewed health information detailing the risks of developing lung cancer from radon exposure and smoking. No information describing the synergistic effects of smoking and radon exposure on lung cancer risk are included.
Comparatore attivo: Study 2: Radon & Smoking Synergistic
Participants viewed a radon-and-smoking-synergistic message that covered the individual effects of radon and of smoking but that also included information about their synergistic effect.
Comportamentale: Radon & Smoking Synergistic
Participants viewed health information detailing the risks of developing lung cancer from exposure to radon gas, smoking, and their synergistic effects. This intervention represents the type of information most commonly presented in radon risk communications.

Cosa sta misurando lo studio?

Misure di risultato primarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Conditional Concern Composite
Lasso di tempo: Immediately post-intervention (approx. 1 minute)
Composite formed from 4 conditional questions assessing concern, perceived impact on risk and comparative risk, and threat--if exposed to radon
Immediately post-intervention (approx. 1 minute)
Interest in Testing Composite
Lasso di tempo: Immediately post-intervention (approx. 2 minutes)
Composite formed from 2 questions assessing importance and intention to test home for radon
Immediately post-intervention (approx. 2 minutes)

Misure di risultato secondarie

Misura del risultato
Misura Descrizione
Lasso di tempo
Worry Elicited by Health Message
Lasso di tempo: Immediately post-intervention (approx. 2 minutes)
Single question assessing worry elicited by the health communication material
Immediately post-intervention (approx. 2 minutes)
Likelihood Judgments about Lung Cancer
Lasso di tempo: Immediately post-intervention (approx. 4 minutes)
Three items assessing perceived likelihood of developing lung cancer
Immediately post-intervention (approx. 4 minutes)
Elect to Leave Email for Raffle
Lasso di tempo: Immediately post-intervention (approx. 4 minutes)
Participants given option to leave email address in case they won one of the 20 radon kits being raffled (Study 2).
Immediately post-intervention (approx. 4 minutes)
Elect to Read More
Lasso di tempo: Immediately post-intervention (approx. 4 minutes)
Participants given option to be presented with more information at the end of the session about testing for radon (Study 2).
Immediately post-intervention (approx. 4 minutes)
Concern about Loved Ones If Exposed to Radon
Lasso di tempo: Immediately post-intervention (approx. 4 minutes)
Rated how concerned they would be about loved ones if they learned their home had high radon (Study 2)
Immediately post-intervention (approx. 4 minutes)

Collaboratori e investigatori

Qui è dove troverai le persone e le organizzazioni coinvolte in questo studio.

Sponsor

Paul Windschitl

Studiare le date dei record

Queste date tengono traccia dell'avanzamento della registrazione dello studio e dell'invio dei risultati di sintesi a ClinicalTrials.gov. I record degli studi e i risultati riportati vengono esaminati dalla National Library of Medicine (NLM) per assicurarsi che soddisfino specifici standard di controllo della qualità prima di essere pubblicati sul sito Web pubblico.

Studia le date principali

Inizio studio (Effettivo)

7 agosto 2015

Completamento primario (Effettivo)

22 aprile 2016

Completamento dello studio (Effettivo)

22 aprile 2016

Date di iscrizione allo studio

Primo inviato

30 marzo 2018

Primo inviato che soddisfa i criteri di controllo qualità

13 aprile 2018

Primo Inserito (Effettivo)

17 aprile 2018

Aggiornamenti dei record di studio

Ultimo aggiornamento pubblicato (Effettivo)

19 aprile 2019

Ultimo aggiornamento inviato che soddisfa i criteri QC

17 aprile 2019

Ultimo verificato

1 aprile 2019

Maggiori informazioni

Termini relativi a questo studio

Parole chiave

Termini MeSH pertinenti aggiuntivi

Altri numeri di identificazione dello studio

  • 201507727

Piano per i dati dei singoli partecipanti (IPD)

Hai intenzione di condividere i dati dei singoli partecipanti (IPD)?

SÌ

Descrizione del piano IPD

De-identified data and guide will be made available to other investigators upon request.

Periodo di condivisione IPD

Requested data will be made available upon publication of the project.

Criteri di accesso alla condivisione IPD

Please contact corresponding author Dr. Paul Windschitl at paul-windschitl@uiowa.edu

Tipo di informazioni di supporto alla condivisione IPD

  • CODICE_ANALITICO

Informazioni su farmaci e dispositivi, documenti di studio

Studia un prodotto farmaceutico regolamentato dalla FDA degli Stati Uniti

No

Studia un dispositivo regolamentato dalla FDA degli Stati Uniti

No

Queste informazioni sono state recuperate direttamente dal sito web clinicaltrials.gov senza alcuna modifica. In caso di richieste di modifica, rimozione o aggiornamento dei dettagli dello studio, contattare register@clinicaltrials.gov. Non appena verrà implementata una modifica su clinicaltrials.gov, questa verrà aggiornata automaticamente anche sul nostro sito web .

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