Colombian College Professors Work-Related Health: Associations Between Stress and Voice Acoustics Parameters

Salud laboral de profesores universitarios colombianos: asociaciones entre estrés y parámetros acústicos de la voz

Published 2024-12-16

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Vol. 7 No. 1 (2025)
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Research Article
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Colombian College Professors Work-Related Health: Associations Between Stress and Voice Acoustics Parameters. Rev. Investig. Innov. Cienc. Salud [Internet]. 2024 Dec. 16 [cited 2024 Dec. 21];7(1):1-16. Available from: https://riics.info/index.php/RCMC/article/view/333
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https://doi.org/10.46634/riics.333
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Andrés Carrillo-González
Universidad Nacional de Colombia image/svg+xml
Roles:  
https://orcid.org/0000-0001-8667-5807
Ángela Patricia Atará-Piraquive
Universidad Nacional de Colombia image/svg+xml
Roles:  
https://orcid.org/0000-0002-1874-2462
Maryluz Camargo-Mendoza
Universidad Nacional de Colombia image/svg+xml
Roles:  
Perfil Google Scholar
https://orcid.org/0000-0003-3325-6988
Jeison Ramiro Hernández-Contreras
Manuela Beltrán University image/svg+xml
Roles:  
https://orcid.org/0009-0006-2869-9409
Lady Catherine Cantor-Cutiva
University of Iowa image/svg+xml
Roles:  
Perfil Google Scholar
https://orcid.org/0000-0002-4530-4345
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Andrés Carrillo-González,

1 Department of Collective Health; Nursing Faculty; Universidad Nacional de Colombia; Bogotá; Colombia.

2 Department of Psychology; Faculty of Social and Human Sciences; Fundación Universitaria del Área Andina; Pereira; Colombia.

Ángela Patricia Atará-Piraquive,

Department of Collective Health; Nursing Faculty; Universidad Nacional de Colombia; Bogotá; Colombia.

Maryluz Camargo-Mendoza,

Department of Human Communication; School of Medicine; Universidad Nacional de Colombia; Bogotá; Colombia.

Jeison Ramiro Hernández-Contreras,

Speech and Language Pathologist Program; School of Health; Universidad Manuela Beltrán; Bogotá; Colombia.

Lady Catherine Cantor-Cutiva,

Department of Communication Sciences and Disorders; The University of Iowa; Iowa City; United States.

Introduction. Teachers have a high risk of developing voice disorders and high-stress levels due to their working conditions. Moreover, stress causes changes at a physiological level in different systems such as the cardiac, gastrointestinal, and respiratory systems. In the latter, the rate of airflow is increased producing significant changes in the acoustic parameters of the voice.

Methods. An exploratory, correlational, longitudinal study was conducted to investigate the association between perceived stress and three acoustic parameters related to voice perturbation and harmonicity (jitter, shimmer, and harmonics-to-noise ratio) among college professors. The study also aimed to explore potential changes in this association over the follow-up period. Twenty-four college professors participated in the study. Participants completed a questionnaire that gathered information on socio-demographic characteristics, working conditions, and stress perception. Voice samples were collected from each participant and subjected to acoustic analysis using Praat software. To examine the associations between stress levels and the acoustic parameters, generalized linear models (GLM) with a gamma distribution were employed.

Results. We found that professors with low stress levels had increased jitter and shimmer values; whereas participants with moderate and high stress levels had increased harmonics-to-noise ratio values compared to those with a lower stress level.

Conclusions. Stress has an important effect on voice perturbation and harmonicity parameters. These results justify the design of interdisciplinary workplace interventions for voice disorders among teachers that include activities on stress management.

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