Age-related changes in the distributions of depressive symptom items in the general population: a cross-sectional study using the exponential distribution model

Background. Previous research has reported inconsistent evidence of the trajectory of depressive symptoms across the adult lifespan. We investigated how the distributions of each item score change with age and determined whether the trajectory of depressive symptoms varied with the scoring methods o...

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Bibliographic Details
Main Authors: Tomitaka, Shinichiro, Kawasaki, Yohei, Ide, Kazuki, Yamada, Hiroshi, Furukawa, Toshiaki A., Ono, Yutaka
Format: Online
Language:English
Published: PeerJ Inc. 2016
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4715442/
Description
Summary:Background. Previous research has reported inconsistent evidence of the trajectory of depressive symptoms across the adult lifespan. We investigated how the distributions of each item score change with age and determined whether the trajectory of depressive symptoms varied with the scoring methods of the questionnaire.