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J Nutr Health Aging. 2017;21(5):505-513. doi: 10.1007/s12603-016-0808-9.

Adherence to the Mediterranean Diet and All-Cause Mortality Risk in an Elderly Italian Population: Data from the ILSA Study.

Author information

1
Marianna Noale, Via Giustiniani 2, 35128 Padova, Italy, marianna.noale@in.cnr.it, Telephone: +39 0498218899, Fax +39 0498211818.

Abstract

OBJECTIVE:

The aim of this study was to evaluate adherence to the Mediterranean Diet (MD) and its association with all-cause mortality in an elderly Italian population.

DESIGN:

Data analysis of a longitudinal study of a representative, age stratified, population sample.

SETTING:

Study data is based upon the Italian Longitudinal Study on Aging (ILSA) a prospective, community-based cohort study. The baseline evaluation was carried out in 1992 and the follow-up in 1996 and 2000.

PARTICIPANT:

Participant food intake assessment was available at baseline for 4,232 subjects; information on survival was available for 2,665 at the 2000 follow-up.

MEASUREMENTS:

Adherence to the MD was evaluated with an a priori score based on the Mediterranean pyramid components. Cox proportional hazard models were used to assess the relationship between the MD score and all-cause mortality. Six hundred and sixty five subjects had died at the second follow-up (identified up to the first and second follow-up together; mean follow-up: 7.1±2.6 years).

RESULTS:

At the 2000 follow-up, adjusting for other confounding factors, participants with a high adherence to MD (highest tertile of the MD score distribution) had an all-cause mortality risk that was of 34% lower with respect to the subjects with low adherence (Hazard Ratio=0.66; 95% CI: 0.49-0.90; p=0.0144).

CONCLUSION:

According to study results, a higher adherence to the MD was associated with a low all-cause mortality risk in an elderly Italian population.

KEYWORDS:

ILSA study; Mediterranean diet adherence; all-cause mortality; elderly subjects

PMID:
28448080
DOI:
10.1007/s12603-016-0808-9
[Indexed for MEDLINE]

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