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Development and evaluation of a mobile-optimized daily self-rating depression screening app: A preliminary study

 Kyungmi Chung  ;  Min-Jeong Jeon  ;  Jaesub Park  ;  San Lee  ;  Chang Oh Kim  ;  Jin Young Park 
 PLOS ONE, Vol.13(6) : e0199118, 2018 
Journal Title
Issue Date
Adult ; Algorithms ; Depression/diagnosis* ; Depressive Disorder/diagnosis* ; Female ; Humans ; Male ; Mass Screening ; Mobile Applications* ; Preliminary Data ; Psychiatric Status Rating Scales ; Self Report ; Young Adult
The aims of this study were to design a mobile app that would record daily self-reported Korean version of the Center for Epidemiologic Studies Depression Scale-Revised (K-CESD-R) ratings in a "Yes" or "No" format, develop two different algorithms for converting mobile K-CESD-R scores in a binary format into scores in a 5-point response format, and determine which algorithm would be more appropriately applied to the newly developed app. Algorithm (A) was designed to improve the scoring system of the 2-week delayed retrospective recall-based original K-CESD-R scale, and algorithm (B) was designed to further refine the scoring of the 24-hour delayed prospective recall-based mobile K-CESD-R scale applied with algorithm (A). To calculate total mobile K-CESD-R scores, each algorithm applied certain cut-off criteria for a 5-point scale with different inter-point intervals, defined by the ratio of the total number of times that users responded "Yes" to each item to the number of days that users reported daily depressive symptom ratings during the 2-week study period. Twenty participants were asked to complete a K-CESD-R Mobile assessment daily for 2 weeks and an original K-CESD-R assessment delivered to their e-mail accounts at the end of the 2-week study period. There was a significant difference between original and mobile algorithm (B) scores but not between original and mobile algorithm (A) scores. Of the 20 participants, 4 scored at or above the cut-off criterion (≥13) on either the original K-CESD-R (n = 4) or the mobile K-CESD-R converted with algorithm (A) (n = 3) or algorithm (B) (n = 1). However, all participants were assessed as being below threshold for a diagnosis of a mental disorder during a clinician-administered diagnostic interview. Therefore, the K-CESD-R Mobile app using algorithm (B) could be a more potential candidate for a depression screening tool than the K-CESD-R Mobile app using algorithm (A).
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Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Chang Oh(김창오) ORCID logo https://orcid.org/0000-0002-0773-5443
Park, Jaesub(박재섭)
Park, Jin Young(박진영) ORCID logo https://orcid.org/0000-0002-5351-9549
Lee, San(이산) ORCID logo https://orcid.org/0000-0003-4834-8463
Chung, Kyungmi(정경미) ORCID logo https://orcid.org/0000-0003-2754-7631
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