The Association between Total Protein and Vegetable Protein Intake and Low Muscle Mass among the Community-Dwelling Elderly Population in Northern Taiwan.
Sarcopenia, highly linked with fall, frailty, and disease burden, is an emerging problem in aging society. Higher protein intake has been suggested to maintain nitrogen balance. Our objective was to investigate whether pre-sarcopenia status was associated with lower protein intake. A total of 327 community-dwelling elderly people were recruited for a cross-sectional study. We adopted the multivariate nutrient density model to identify associations between low muscle mass and dietary protein intake. The general linear regression models were applied to estimate skeletal muscle mass index across the quartiles of total protein and vegetable protein density. Participants with diets in the lowest quartile of total protein density (<13.2%) were at a higher risk for low muscle mass (odds ratio (OR) 3.03, 95% confidence interval (CI) 1.37-6.72) than those with diets in the highest quartile (≥17.2%). Similarly, participants with diets in the lowest quartile of vegetable protein density (<5.8%) were at a higher risk for low muscle mass (OR 2.34, 95% CI 1.14-4.83) than those with diets in the highest quartile (≥9.4%). Furthermore, the estimated skeletal muscle mass index increased significantly across the quartiles of total protein density (p = 0.023) and vegetable protein density (p = 0.025). Increasing daily intakes of total protein and vegetable protein densities appears to confer protection against pre-sarcopenia status.
Department of Medical Education, E-Da Hospital and I-Shou University, Kaohsiung City 82445, Taiwan. Ruyi@mail.harvard.edu.|Department of Family Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan. Ruyi@mail.harvard.edu.
Ru-Yi
RY
Huang
Department of Family Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan. kcyang@ntuh.gov.tw.|Department of Community and Family Medicine, National Taiwan University Hospital, Hsin-Chu Branch, Hsinchu City 30059, Taiwan. kcyang@ntuh.gov.tw.|Department of Family Medicine, National Taiwan University Hospital, Bei-Hu Branch, Taipei 10845, Taiwan. kcyang@ntuh.gov.tw.
Kuen-Cheh
KC
Yang
Department of Family Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan. allanchanghs@gmail.com.
Hao-Hsiang
HH
Chang
Department of Family Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan. ltlee@ntuh.gov.tw.
Long-Teng
LT
Lee
Department of Family Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan. biopsycosocial@gmail.com.
Chia-Wen
CW
Lu
Department of Family Medicine, National Taiwan University Hospital, Taipei 10002, Taiwan. bretthuang@ntu.edu.tw.|Department of Family Medicine, National Taiwan University Hospital, Bei-Hu Branch, Taipei 10845, Taiwan. bretthuang@ntu.edu.tw.|Graduate Institute of Clinical Medical Science, China Medical University, Taichung 40402, Taiwan. bretthuang@ntu.edu.tw.
Kuo-Chin
KC
Huang
D000368:Aged; D000369:Aged, 80 and over; D000375:Aging; D015415:Biomarkers / Q000097:blood; D001823:Body Composition; D015992:Body Mass Index; D003430:Cross-Sectional Studies; D004032:Diet; D004040:Dietary Carbohydrates / Q000008:administration & dosage; D004044:Dietary Proteins / Q000008:administration & dosage*; D017097:Electric Impedance; D002149:Energy Intake; D005260:Female; D006454:Hemoglobins / Q000378:metabolism; D049670:History, 17th Century; D006801:Humans; D008019:Life Style; D016014:Linear Models; D016015:Logistic Models; D008214:Lymphocytes / Q000378:metabolism; D008297:Male; D018977:Micronutrients / Q000008:administration & dosage; D015999:Multivariate Analysis; D018482:Muscle, Skeletal / Q000502:physiology*; D015596:Nutrition Assessment; D014674:Plant Proteins, Dietary / Q000008:administration & dosage*; D055948:Sarcopenia / Q000209:etiology / Q000517:prevention & control; D012709:Serum Albumin / Q000378:metabolism; D013624:Taiwan
D015415:Biomarkers; D004040:Dietary Carbohydrates; D004044:Dietary Proteins; D006454:Hemoglobins; D018977:Micronutrients; D014674:Plant Proteins, Dietary; D012709:Serum Albumin
nutrition; protein; sarcopenia; vegetable protein; vegetarian diet