NCT07591389

Brief Summary

Radon is the second-leading cause of lung cancer after smoking and may contribute to other cancer deaths; children are especially vulnerable due to a larger lung surface area and higher respiratory rates. The goal of this research is to test the feasibility of the radon app to promote radon testing among mothers of children aged 4 or younger when they receive a free radon test kit.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for not_applicable

Timeline
7mo left

Started Apr 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

2 active sites

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress18%
Apr 2026Dec 2026

First Submitted

Initial submission to the registry

April 7, 2026

Completed
3 days until next milestone

Study Start

First participant enrolled

April 10, 2026

Completed
1 month until next milestone

First Posted

Study publicly available on registry

May 15, 2026

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2026

Expected
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2026

Last Updated

May 15, 2026

Status Verified

May 1, 2026

Enrollment Period

4 months

First QC Date

April 7, 2026

Last Update Submit

May 12, 2026

Conditions

Outcome Measures

Primary Outcomes (3)

  • T1 (baseline: pre-exposure survey, distribution of free radon test kit)

    T1 (baseline: pre-exposure survey, distribution of free radon test kit). The pre-expsosure survey will measure: Primary endpoints: (1) Radon knowledge, 20 true/false items); (2) self-efficacy, response efficacy, and sharing intention (7-point Likert).

    Initial Enrollment to 2 months after enrollment

  • T2 (post-exposure survey at 2 months)

    T2 refers to the time point where participants will complete the post-exposure survey, which will happen two months after T1. The primary endpoints are: (1) Changes in radon knowledge from T1 to T2, as measured by the number of correct responses to a series of 20 true/false questions (e.g., "The EPA recommends that homes with 4 picocuries per liter (pCi/L) or more of radon should be fixed."); (2) Changes in self-efficacy, response efficacy, and sharing intention from T1 to T2, measured by 7-point Likert scales; (3) Radon information shared with others and recommended to others to test their houses for radon from T1 to T2. It will be measured by a series of yes/no questions. Analyses: Aim 1-directional dependent t-tests for mean changes; McNemar's test for paired proportions of sharing.

    2 months after enrollment

  • T3 (end of kit tracking at 4 months)

    Number of radon test kits used and returned to the laboratory by participants. Directional McNemar's test for kit return proportions T1 vs T3.

    4 months after last enrollment

Study Arms (1)

The radon app

EXPERIMENTAL

Participants will be encouraged to download the radon app and asked to use the radon app for four months where they will be exposed to mobile friendly educational content that is created from educational print brochures about radon published by EPA.

Behavioral: The radon app

Interventions

The radon appBEHAVIORAL

Participants will be asked to use the radon app.

The radon app

Eligibility Criteria

Age18 Years+
Sexfemale
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Participants are female mothers of children aged 4 and under.
  • Participants own a smartphone.
  • Children brought in for appointments are their biological or adoptive child.

You may not qualify if:

  • Previous testing for radon within the past two (2) years.
  • The mother's child brought in for the appointment is over 4 years of age.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

University of North Dakota Center for Family Medicine, Bismarck Clinic

Bismarck, North Dakota, 58501, United States

RECRUITING

University of North Dakota Center for Family Medicine, Minot Clinic

Minot, North Dakota, 58701, United States

RECRUITING

MeSH Terms

Conditions

Lung NeoplasmsDisease

Condition Hierarchy (Ancestors)

Respiratory Tract NeoplasmsThoracic NeoplasmsNeoplasms by SiteNeoplasmsLung DiseasesRespiratory Tract DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Central Study Contacts

Soojung Kim Interim Dean, School of Graduate Studies, PhD, MPH

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
PREVENTION
Intervention Model
SINGLE GROUP
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Dean, School of Graduate Studies, Principal Investigator

Study Record Dates

First Submitted

April 7, 2026

First Posted

May 15, 2026

Study Start

April 10, 2026

Primary Completion (Estimated)

August 1, 2026

Study Completion (Estimated)

December 1, 2026

Last Updated

May 15, 2026

Record last verified: 2026-05

Data Sharing

IPD Sharing
Will not share

Locations