Format

Send to

Choose Destination
See comment in PubMed Commons below
J Am Geriatr Soc. 1999 Sep;47(9):1072-6.

Body mass index and mortality among older people living in the community.

Author information

1
Istituto di Medicina Interna e Geriatria, Universit─â Cattolica del Sacro Cuore, Rome, Italy.

Abstract

OBJECTIVES:

To determine if body mass index (BMI = weight/height2), predictive of mortality in seriously ill hospitalized and institutionalized patients, is also predictive of mortality in a longitudinal epidemiologic study.

DESIGN:

A prospective cohort study.

SETTING:

Rovereto, a town in northern Italy.

PARTICIPANTS:

A consecutive sample of 214 patients aged 81.2 +/- 7.3 years receiving community care services.

MAIN OUTCOME MEASURES:

Malnutrition and mortality.

RESULTS:

According to logistic regression analysis, malnutrition status, expressed by a BMI < 22 Kg/m2, was correlated with dependency in Activity of Daily Living (odds ratio 1.21; 95% confidence interval (CI) 1.01-1.45). Only a low BMI was associated with 1-year survival in Cox regression analysis, after adjusting for potential confounders (relative risk 0.85; 95%CI, 0.74-0.97). A high BMI (>27 Kg/m2) was not significantly related to risk of mortality.

CONCLUSIONS:

Nutrition variables are a cardinal component of comprehensive geriatric assessment. Our results suggest that BMI, a simple anthropometric measure of nutritional status, is an important predictor of mortality among older people living in the community. Even when controlling for clinical and functional variables, a low BMI remained a significant and independent predictor of shortened survival.

PMID:
10484248
[Indexed for MEDLINE]
PubMed Commons home

PubMed Commons

0 comments
How to join PubMed Commons

    Supplemental Content

    Full text links

    Icon for Wiley
    Loading ...
    Support Center