Associations of protein source, distribution and healthy dietary pattern with appendicular lean mass in oldest-old men : the Helsinki Businessmen Study (HBS)

Jyväkorpi, S. K.; Urtamo, A.; Kivimäki, M.; Strandberg, T. E.
 
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URL:
https://doi.org/10.1007/s41999-020-00330-1

Jyväkorpi, S. K.
Urtamo, A.
Kivimäki, M.
Strandberg, T. E.
John Wiley & Sons

Jyväkorpi, S.K., Urtamo, A., Kivimäki, M. et al. Associations of protein source, distribution and healthy dietary pattern with appendicular lean mass in oldest-old men: the Helsinki Businessmen Study (HBS). Eur Geriatr Med 11, 699–704 (2020). https://doi.org/10.1007/s41999-020-00330-1

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doi:https://doi.org/10.1007/s41999-020-00330-1
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https://urn.fi/URN:NBN:fi-fe2020111089860
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Abstract

Purpose: We explored how food and dietary intakes, protein daily distribution and source are associated with appendicular lean mass (ALM)/m² of the oldest-old community-dwelling men.

Methods: Cross-sectional analyses of Helsinki Businessmen Study (HBS, mean age 87 years) participants who came to clinic visit in 2017/2018. Nutritional status, physical performance and fasting blood samples were measured. Food and dietary intakes were retrieved from 3-day food diaries. Body composition was measured and appendicular lean mass (ALM) per m² was dichotomized as ALM/m² < 7 kg/m² and ≥ 7 kg/m². Differences between lower and higher ALM were analyzed using t test or Mann–Whitney U test. Analysis of covariance was used to investigate independent associations with ALM/m².

Results: Random sample of 130 participants took part in the medical examinations, 126 returned food diaries, and 102 underwent DXA-scan. ALM/m² was associated with total protein (p = 0.033), animal protein (p = 0.043) and meat protein (p = 0.033) intakes. Protein distribution between daily meals differed at lunch; those with higher ALM/m² ate more protein (p = 0.047) at lunch. Consumption of fruits, vegetables (p = 0.022) and meat (p = 0.006) was associated with ALM/m².

Conclusion: Protein intake, source and distribution as well fruit and vegetable intakes were associated with higher ALM in oldest-old men.

Study registration: The study is registered with ClinicalTrials.gov identifier: NCT02526082.

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