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Published on in Vol 28 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/95023, first published .
Couple using smartphones and tablets with digital communication graphics

Naturalistic Online Language as a Marker of Depression in Midlife and Older Adults: Computational Text Analysis of Bluesky and Reddit Posts

Naturalistic Online Language as a Marker of Depression in Midlife and Older Adults: Computational Text Analysis of Bluesky and Reddit Posts

Lauren Rutter   1, 2 , PhD ;   Andy Edinger   3 , MS ;   Marijn ten Thij   4 , PhD ;   Lorenzo Lorenzo-Luaces   1 , PhD ;   Danny Valdez   5 , PhD ;   Johan Bollen   6, 7 , PhD

1 Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, United States

2 Indiana Alzheimer’s Disease Research Center, Indiana University School of Medicine, Indianapolis, IN, United States

3 Cognitive Science Program, Indiana University, Bloomington, IN

4 Department of Intelligent Systems, Tilburg University, Tilburg, North Brabant, The Netherlands

5 Department of Applied Health Sciences, Indiana University, Bloomington, IN

6 Informatics Institute, Faculty of Science, University of Amsterdam, Amsterdam, North Holland, The Netherlands

7 Department of Informatics, Computing, and Engineering , Luddy School of Informatics, Computing, and Engineering, Indiana University, IN, United States

Corresponding Author:

  • Lauren Rutter, PhD
  • Department of Psychological and Brain Sciences
  • Indiana University
  • 1101 E 10th Street
  • Bloomington, IN 47405
  • United States
  • Phone: 1 (812) 856-9953
  • Email: larutter@iu.edu