• Cheng-Che Chen, Wen-Chi Wu, Shu-Sen Chang, Chirn-Bin Chang, Cheng-Ta Justin Yang, Hung-Kuang Su, and Chan Ding-Cheng Derrick DD Department of Geriatrics and Gerontology, National Taiwan University Hospital, No. 1, Changde St., Zhongzheng Dist., Taipei 10048, Taiwan; Depa.
• Department of Psychiatry, National Taiwan University Hospital Chu-Tung Branch, No. 52, Zhishan Rd., Zhudong Township, Hsinchu County, Taiwan; Center for Medical Education and Research, National Taiwan University Hospital Chu-Tung Branch, No. 52, Zhishan Rd., Zhudong Township, Hsinchu County, Taiwan.
• J Formos Med Assoc. 2020 Aug 1; 119 (8): 1274-1282.

Background/PurposeWe examined the prevalence of probable common mental disorders (CMDs) in commercial low-dose computed tomography (LDCT) lung cancer screening consumers relative to the general population and to determine the correlates of probable CMDs among screening participants.MethodsCommercial LDCT lung cancer screening consumers (N = 1323) were compared with a nationally representative sample from the Taiwan Social Change Survey (TSCS) (N = 2034). Respondents scoring ≥3 on the Chinese Health Questionnaire were classified as having a probable CMD. Logistic regression was used to investigate differences between the two groups and correlates of probable CMDs among LDCT lung cancer screening participants.ResultsThe prevalence of probable CMDs was higher among LDCT lung cancer screening participants (25.47%) than among TSCS adults (21.56%). Compared with the TSCS sample, the screening participants had a higher probability of CMDs (OR = 1.40, 95% CI = 1.13-1.73), higher education levels (OR = 7.95, 95% CI = 6.00-10.53), and a history of drinking (OR = 11.85, 95% CI = 9.45-14.85) or betel-quid use (OR = 5.43, 95% CI = 3.98-7.42) but were less likely to smoke (OR = 0.52, 95% CI = 0.40-0.68). Among the screening participants, being female (OR = 1.37, 95% CI = 1.02-1.84) and a current smoker (OR = 1.74, 1.19-2.54) and living near ≥2 smoking family members (OR = 2.30, 95% CI 1.57-3.38) were associated with an increased likelihood of having CMDs.ConclusionCommercial LDCT lung cancer screening users may have a positive association with probable CMDs compared to the general population. Screening programs should consider including criteria and providing psychoeducation to improve the physical and mental outcomes of participants.Clinical Trial RegistrationPurely observational studies (those in which the assignment of the medical intervention is not at the discretion of the investigator) do not require registration.Copyright © 2019 Formosan Medical Association. Published by Elsevier B.V. All rights reserved.

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