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JAMA Netw Open. 2020 Jan 3;3(1):e1920362. doi: 10.1001/jamanetworkopen.2019.20362.

Effect of a Patient Decision Aid on Lung Cancer Screening Decision-Making by Persons Who Smoke: A Randomized Clinical Trial.

Author information

1
Department of Health Services Research, The University of Texas MD Anderson Cancer Center, Houston.
2
Department of Health Disparities Research, The University of Texas MD Anderson Cancer Center, Houston.
3
Department of Radiology, Wake Forest School of Medicine, Winston-Salem, North Carolina.
4
Department of Behavioral Science, The University of Texas MD Anderson Cancer Center, Houston.
5
North American Quitline Consortium, Phoenix, Arizona.
6
Department of Biostatistics, The University of Texas MD Anderson Cancer Center, Houston.
7
Information & Quality Healthcare Inc, Ridgeland, Mississippi.
8
Houston Department for Health and Human Services, Houston, Texas.
9
Department of Diagnostic Radiology, The University of Texas MD Anderson Cancer Center, Houston.
10
Department of Clinical Cancer Prevention, The University of Texas MD Anderson Cancer Center, Houston.

Abstract

Importance:

Lung cancer screening with low-dose computed tomography lowers lung cancer mortality but has potential harms. Current guidelines support patients receiving information about the benefits and harms of lung cancer screening during decision-making.

Objective:

To examine the effect of a patient decision aid (PDA) about lung cancer screening compared with a standard educational material (EDU) on decision-making outcomes among smokers.

Design, Setting, and Participants:

This randomized clinical trial was conducted using 13 state tobacco quitlines. Current and recent tobacco quitline clients who met age and smoking history eligibility for lung cancer screening were enrolled from March 30, 2015, to September 12, 2016, and followed up for 6 months until May 5, 2017. Data analysis was conducted between May 5, 2017, and September 30, 2018.

Interventions:

Participants were randomized to the PDA video Lung Cancer Screening: Is It Right for Me? (n = 259) or to EDU (n = 257).

Main Outcomes and Measures:

The primary outcomes were preparation for decision-making and decisional conflict measured at 1 week. Secondary outcomes included knowledge, intentions, and completion of screening within 6 months of receiving the intervention measured by patient report.

Results:

Of 516 quit line clients enrolled, 370 (71.7%) were younger than 65 years, 320 (62.0%) were female, 138 (26.7%) identified as black, 47 (9.1%) did not have health insurance, and 226 (43.8%) had a high school or lower educational level. Of participants using the PDA, 153 of 227 (67.4%) were well prepared to make a screening decision compared with 108 of 224 participants (48.2%) using EDU (odds ratio [OR], 2.31; 95% CI, 1.56-3.44; P < .001). Feeling informed about their screening choice was reported by 117 of 234 participants (50.0%) using a PDA compared with 66 of 233 participants (28.3%) using EDU (OR, 2.56; 95% CI, 1.72-3.79; P < .001); 159 of 234 participants (68.0%) using a PDA compared with 110 of 232 (47.4%) participants using EDU reported being clear about their values related to the harms and benefits of screening (OR, 2.37; 95% CI, 1.60-3.51; P < .001). Participants using a PDA were more knowledgeable about lung cancer screening than participants using EDU at each follow-up assessment. Intentions to be screened and screening behaviors did not differ between groups.

Conclusions and Relevance:

In this study, a PDA delivered to clients of tobacco quit lines improved informed decision-making about lung cancer screening. Many smokers eligible for lung cancer screening can be reached through tobacco quit lines.

Trial Registration:

ClinicalTrials.gov identifier: NCT02286713.

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