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Validation of the scale to evaluate physical damages related to the Abusive Use of Technology in daily life (PDAUTS).

Mariana Spear King Lins de Pádua Anna Lucia Spear King Eduardo Guedes Flávia Leite Guimarães Lucio Lage Gonçalves Hugo Kegler dos Santos Douglas Rodrigues Antonio Egidio Nardi About the authors


New computer technologies, namely smart cellphones and tablets, among others, interacting along the daily life of individuals may contribute toward the rise of problems: depression, stress and physical damage (undue postures, upper and lower extremity disorders, vision problems, obesity), all of them related to excessive time spent on technological equipment; together with inadequate furniture, quality of life can be seriously affected.


To validate a scale to evaluate physical damage related to the Abusive Use of Technology (PDAUTS) in daily life.


Validation of the PDAUTS was performed through 5 phases: (1) initial scale construction with 20 questions; (2) expert evaluation of questions; (3) application to 200 volunteers; (4) statistical analysis of the results; (5) preparation of the final validated version, retaining the 20 questions.


We used the R statistical program, version 3.4.2 and the “dplyr” package to present the descriptive statistics, the hypothesis tests of mean differences and the factor analysis. The results provided a validated final version for PDAUTS. The last step of the study was to calculate Cronbach’s alpha parameter, in order to measure the internal consistency of the scale. The value found was 0.897, which in is considered very good.


The validated PDAUTS allowed us to evaluate physical damage in each subject and design adequate training and treatment programs, reducing overall impairments and contributing to the improvement in quality of life.

Digital dependency; physical damage; ergonomics; digital technologies; reduction

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