Prevalence and associated factors among community-dwelling and institutionalized older women in the south region of Brazil

Keywords: Sarcopenia, Aged, Prevalence


Objective: To assess the prevalence of sarcopenia and associated factors among older women from the local community and older women living in Long-Term Care (LTC) institutions.
Methods: A cross-sectional study conducted with 423 older women aged 60 or more, from the local community and older women aged 60 or more, living in LTC institutions. Sarcopenia was defined, according to the consensus of the European Working Group on Sarcopenia in Older People 2 (EWGSOP2), including three criteria: low muscle strength (LMS) (<16kg); low muscle mass (LMM) (≤6.75kg/m2) assessed by a skeletal muscle mass index, and low physical performance (LPP) (≤0,8m/s) assessed by gait speed test. Older women who only showed LMS were considered to have pre-sarcopenia, those with LMS associated with LMM were diagnosed with sarcopenia and those who met all three criteria, were diagnosed with severe sarcopenia.
Results: Among the community-dwelling older women, the prevalence of sarcopenia was 2.0% (from 60 to 69), 8.6% (from 70 to 79) and 12.9% (80 or more) and among the ones living in LTC Institutions, 3.3% (from 60 to 69), 14.8% (from 70 to 79) and 34.2% (80 or more). After multivariate logistic regression, age and low body mass index (BMI) were associated with sarcopenia in both groups.
Conclusion: The prevalence of sarcopenia is higher among LTC older women. However, this is not an independent factor. In addition, regardless of residence, low BMI and advanced age are predictive for sarcopenia.


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Author Biography

Joana Zanotti, Faculdade da Serra Gaúcha (FSG), Caxias do Sul, RS, Brasil.

Nutricionista, Mestra em Ciências Médicas


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How to Cite
Zanotti, J., & Wender, M. C. O. (2021). Sarcopenia: Prevalence and associated factors among community-dwelling and institutionalized older women in the south region of Brazil. PAJAR - Pan American Journal of Aging Research, 9(1), e40032.