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Health promotion and preventive care intervention for older community-dwelling people: Long-term effects of a randomised controlled trial (RCT) within the LUCAS cohort

  • Published:
The journal of nutrition, health & aging

Abstract

Objectives

An RCT of a health promotion and preventive care intervention was done in 2001-2002. Here, long-term analyses based on 12 years of follow-up of survival and of change in functional competence between intervention and control group are presented. Positive 1-year results (significantly higher use of preventive services and better health behaviour) were presented earlier.

Design

Parallel group randomised controlled trial (RCT) with 878 participants in the intervention and 1,702 participants in the control group.

Setting

The study took place in Hamburg, Germany and made use of health care structures and professionals of a geriatrics centre.

Participants

Study participants were initially community-dwelling, aged 60 years and older and without B-ADL-restrictions, cognitive impairment, or need of nursing care, with sufficient command of the German language.

Interventions

Health promotion and preventive care interventions relied on an extensive health questionnaire and the subsequent offer to participate in multi-topic personal reinforcement performed in small group sessions or at preventive home visits.

Measurements

Primary outcome: Survival time; in some analyses, adjustments were made for gender, age and self-perceived health. Secondary outcome: Functional competence (LUCAS Functional Ability Index) based on responses to self-administered questionnaires at 1-year follow-up and 12 years after 1-year follow-up (2013/2014).

Results

Mean time under observation was 10.3 years. 38.3% (987/2,580) of the participants died; intervention group (IG): 35.7% (313/878), control group (CG): 39.6% (674/1,702); HR=0.89; p=0.09. Functional competence at 1-year follow-up: IG: ROBUST 67.4% (391/580), FRAIL 11.9% (69/580) vs. CG: ROBUST 62.9% (861/1,368), FRAIL 14.8% (203/1,368); p=0.12. 12-years after 1-year follow-up: IG: ROBUST 50.0% (160/320), FRAIL 30.9% (99/320) vs. CG: ROBUST 48.9% (307/628), FRAIL 34.1% (214/628); p=0.56.

Conclusions

Insignificant but consistent effects on survival and the dynamics of functional competence suggest effectivity of the complex intervention. We plan to take a closer look at the effect of each reinforcement separately.

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Correspondence to Lilli Neumann.

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Neumann, L., Dapp, U., von Renteln-Kruse, W. et al. Health promotion and preventive care intervention for older community-dwelling people: Long-term effects of a randomised controlled trial (RCT) within the LUCAS cohort. J Nutr Health Aging 21, 1016–1023 (2017). https://doi.org/10.1007/s12603-017-0932-1

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