Rezvan Hashemi1, Ahmadreza Dorosty Motlagh2, Ramin Heshmat3, Ahmad Esmaillzadeh4, Moloud Payab1, Mahsa Yousefinia1, Fereydoun Siassi1, Parvin Pasalar5, Fereshteh Baygi1. 1. Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran. 2. Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran. Electronic address: a_dorosty@yahoo.com. 3. Endocrinology and Metabolism Research Center and Chronic Disease Research Center, Tehran University of Medical Science, Tehran, Iran. 4. Department of Community Nutrition, School of Nutrition and Food Science, Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran. 5. Department of Biochemistry, Tehran University of Medical Sciences, Tehran, Iran.
Abstract
OBJECTIVES: Sarcopenia is associated with frailty and disability among the elderly and imposes significant costs on health care systems. We tested whether adherence to a particular dietary pattern was associated with sarcopenia among the elderly in a district of Tehran, Iran. METHODS: We used a semiquantitative Food Frequency Questionnaire to assess the dietary intake of 300 randomly-selected elderly men and women (at least 55 y old) living in the sixth district of Tehran; and the dietary patterns of the subjects were obtained using principal component analysis. We performed a logistic regression to measure the effect of adherence to each dietary pattern on the odds of sarcopenia. RESULTS: Subjects in the highest tertile of the Mediterranean dietary pattern, characterized by a higher consumption of olive oil, fruits, vegetables, fish, and nuts, had a lower odds ratio for sarcopenia than those in the lowest tertile (OR = 0.42; 95% CI = 0.18-0.97; P for trend = 0.04). In contrast, adherence to the Western dietary pattern, characterized by a high consumption of sugar, soy, and fast foods, was not associated with sarcopenia (OR = 0.51; 95% CI = 0.21-1.24; P for trend = 0.13). Similarly, adherence to the Mixed dietary pattern, characterized by a high consumption of animal proteins, potatoes, and refined grains, did not affect the odds of sarcopenia (OR = 1.45; 95% CI = 0.66-3.19; P for trend = 0.95). CONCLUSIONS: This study suggests that adherence to the Mediterranean diet is associated with lower odds of sarcopenia among the Iranian elderly.
OBJECTIVES:Sarcopenia is associated with frailty and disability among the elderly and imposes significant costs on health care systems. We tested whether adherence to a particular dietary pattern was associated with sarcopenia among the elderly in a district of Tehran, Iran. METHODS: We used a semiquantitative Food Frequency Questionnaire to assess the dietary intake of 300 randomly-selected elderly men and women (at least 55 y old) living in the sixth district of Tehran; and the dietary patterns of the subjects were obtained using principal component analysis. We performed a logistic regression to measure the effect of adherence to each dietary pattern on the odds of sarcopenia. RESULTS: Subjects in the highest tertile of the Mediterranean dietary pattern, characterized by a higher consumption of olive oil, fruits, vegetables, fish, and nuts, had a lower odds ratio for sarcopenia than those in the lowest tertile (OR = 0.42; 95% CI = 0.18-0.97; P for trend = 0.04). In contrast, adherence to the Western dietary pattern, characterized by a high consumption of sugar, soy, and fast foods, was not associated with sarcopenia (OR = 0.51; 95% CI = 0.21-1.24; P for trend = 0.13). Similarly, adherence to the Mixed dietary pattern, characterized by a high consumption of animal proteins, potatoes, and refined grains, did not affect the odds of sarcopenia (OR = 1.45; 95% CI = 0.66-3.19; P for trend = 0.95). CONCLUSIONS: This study suggests that adherence to the Mediterranean diet is associated with lower odds of sarcopenia among the Iranian elderly.
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