What is the effect of a decision aid on knowledge, values and preferences for lung cancer screening? An online pre-post study

Objective To examine if a decision aid improves knowledge of lung cancer screening benefits and harms and which benefits and harms are most valued. Design Pre-post study. Setting Online. Participants 219 current or former (quit within the previous 15 years) smokers ages 55-80 with at least 30 pack-years of smoking. Intervention Lung cancer screening video decision aid. Main measures Screening knowledge tested by 10 pre-post questions and value of benefits and harms (reducing chance of death from lung cancer, risk of being diagnosed, false positives, biopsies, complications of biopsies and out-of-pocket costs) assessed through rating (1-5 scale) and ranking (top three ranked). Results Mean age was 64.7 +/- 6.1, 42.5% were male, 75.4% white, 48.4% married, 28.9% with less than a college degree and 67.6% with income

Automated summary

This study aimed to evaluate the effectiveness of a lung cancer screening decision aid in improving participants' knowledge of screening benefits and risks. Results showed that reducing the chances of death from lung cancer and the risk of diagnosis were the most valued benefits for participants.