Journal of the American Medical Directors Association
JAMDA OnlineOriginal StudySarcopenia Is Associated With Physical and Mental Components of Health-Related Quality of Life in Older Adults
Section snippets
Sample and Procedures
We used data from the Rural Frailty Study, a prospective study on the prevalence of frailty in rural settings in Mexico, with baseline and follow-up measurements conducted in 2009 and 2013, respectively. Details of the Rural Frailty Study have been reported previously.18 Briefly, at baseline, the study included a nonprobabilistic sample of 600 older adults, who reside in 7 states of Mexico and across 115 municipalities. This sample size was calculated to detect prevalence rates of at least 4%
Results
The following general characteristics were observed in the study sample: 543 older adults were included, the mean age of participants was 76.1 years (SD = 3.1 years). 52.7% were female, 60.2% were illiterate, 36.1% spoke an indigenous language, 30% held paid jobs, and 48.6% were married/cohabiting. Regarding health characteristics of the study population, 43.2% had overweight/obesity, 3.3% underweight and 53.5% adequate weight; 52.7% was reported at least 1 chronic condition and 21.6% had
Discussion
Sarcopenia constitutes a major health problem affecting millions of older adults around the world. Despite its mounting prevalence, however, no general agreement has been reached regarding a conceptual or empirical definition.24, 25 Highly variable global rate reports may be attributable to the wide array of definitions and methods used to measure sarcopenia.3
Our results on prevalence are consistent with several other studies having adopted the EWGSOP criteria. In fact, a systematic review of
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The authors declare no conflicts of interest.
This work was supported by the National Council of Science and Technology of Mexico (CONACYT; Grant SALUD-2012-C01-183089).