Abstract
Purpose
Undernutrition is a prevalent problem in older, community-dwelling individuals. Aim of this study was to determine the effects of a dietetic treatment in older, undernourished, community-dwelling individuals.
Methods
A parallel randomized controlled trial was performed in 146 non-institutionalized, undernourished individuals aged ≥65 years in primary care. Participants were randomly assigned to the intervention (referral to and treatment by a trained dietitian) or control group (no referral). Body weight, physical performance, handgrip strength, energy intake, protein intake and fat-free mass were assessed at baseline, after 3 months and after 6 months.
Results
All randomized participants (n = 146) were included in the intention-to-treat generalized estimating equations analysis (72 in intervention and 74 in control group). No treatment effect was found on the primary outcomes body weight (β = 0.49 kg, 95 % CI: −0.15–1.12), physical performance (β = 0.15 points, 95 % CI: −0.33–0.64) and handgrip strength (β = 0.49 kg, 95 % CI: −0.62–1.60). Furthermore, no treatment effect was found for the secondary outcomes. Predefined subgroup analyses showed a treatment effect on body weight in physically active participants (β = 1.25 kg, 95 % CI: 0.70–2.11) and not in inactive participants (β = −0.20 kg, 95 % CI: −1.16–0.75).
Conclusions
After 6 months, a dietetic treatment by trained dietitians does not lead to increases in body weight and physical functioning in older, undernourished, community-dwelling individuals.
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Acknowledgments
We thank all participants of NPCS for their participation. We are grateful to all dietitians, research assistants, home care nurses and general practitioners who collaborated in our study. This study was applied by the Dutch Malnutrition Steering Group and supported by funding from the Ministry of Health, Welfare and Sports of the Netherlands.
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The authors declare that they have no conflict of interest.
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Schilp, J., Kruizenga, H.M., Wijnhoven, H.A.H. et al. Effects of a dietetic treatment in older, undernourished, community-dwelling individuals in primary care: a randomized controlled trial. Eur J Nutr 52, 1939–1948 (2013). https://doi.org/10.1007/s00394-013-0495-9
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DOI: https://doi.org/10.1007/s00394-013-0495-9