A factorial-design cluster randomised controlled trial investigating the cost-effectiveness of a nutrition supplement and an exercise programme on pneumonia incidence, walking capacity and body mass index in older people living in Santiago, Chile: the CENEX study protocol
2007

CENEX Study: Nutrition and Exercise for Older People in Chile

Sample size: 2800 publication Evidence: moderate

Author Information

Author(s): Alan Dangour, Cecilia Albala, Cristian Aedo, Diana Elbourne, Emily Grundy, Damian Walker, Ricardo Uauy

Primary Institution: London School of Hygiene & Tropical Medicine

Hypothesis

Can a nutrition supplement and an exercise program reduce pneumonia incidence and improve walking capacity in older adults?

Conclusion

The study aims to evaluate the cost-effectiveness of a nutrition supplementation program and an exercise intervention for older adults in Santiago, Chile.

Supporting Evidence

  • Chile's population of older adults is increasing, making health interventions crucial.
  • The government has been providing nutritional supplements to older people since 1998.
  • High rates of pneumonia and low physical activity among older people in Chile highlight the need for this study.
  • Previous studies suggest that nutrition and exercise can improve health outcomes in older adults.

Takeaway

This study is trying to see if giving older people healthy food and exercise can help them stay healthy and not get sick.

Methodology

A 24-month factorial cluster-randomised controlled trial among 2800 individuals aged 65.0–67.9 years at baseline attending 28 health centres.

Potential Biases

Potential recruitment bias due to the random assignment of clusters before identifying participants.

Limitations

The study may face challenges in recruitment and adherence to the interventions.

Participant Demographics

Older adults aged 65.0–67.9 years from low to medium socio-economic status in Santiago, Chile.

Statistical Information

P-Value

p<0.05

Digital Object Identifier (DOI)

10.1186/1475-2891-6-14

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