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Updated: May 19, 2026

Design and Analysis for Fall Detection System Simplification
Published on: April 6, 2020
Analysis of extrinsic and intrinsic factors that predispose elderly individuals to fall
Sionara Tamanini de Almeida1, Cristina Loureiro Chaves Soldera, Geraldo Attilio de Carli
1Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
Objective:
In a sample of elderly individuals from Porto Alegre - RS, Brazil, to analyze the intrinsic and extrinsic factors that predispose them to the risk of falls and fractures.
Methods:
The study included a random sample of 267 elderly individuals, to whom two balance tests were applied: the Functional Reach Test (FRT) and the Timed Up and Go Test (TUG). The elderly also answered a questionnaire (13 questions divided into four categories) on sociodemographic and health factors.
Results:
Elderly individuals from both genders (76.8% women), aged between 60 and 90 years (mean = 70.22 years, SD = ± 7.30 years) participated in the study. A statistically significant association (p < 0.05) was found between age, self-perception of eyesight, type of dwelling, last monthly income, and the FRT; the same was found between age range, self-rated health (p < 0.001) and the TUG.
Conclusion:
It was identified that, in the sample of elderly individuals living in Porto Alegre - RS, Brazil, the intrinsic factors that predispose to the risk of falls and fractures are older age, poor self-perception of eyesight, and poor selfrated health; the extrinsic factors are type of dwelling (living in a house) and a monthly income < one minimum wage.
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