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Diabetologia. 2012 May;55(5):1319-28. doi: 10.1007/s00125-012-2492-6. Epub 2012 Feb 10.

Delaying progression to type 2 diabetes among high-risk Spanish individuals is feasible in real-life primary healthcare settings using intensive lifestyle intervention.

Author information

1
Jordi Gol Primary Care Research Institute, Diabetes and Metabolism, Catalan Health Institute, Reus, Tarragona-Barcelona, Spain. costaber@gmail.com

Abstract

AIMS/HYPOTHESIS:

To assess the feasibility and effectiveness of an active real-life primary care lifestyle intervention in preventing type 2 diabetes within a high-risk Mediterranean population.

METHODS:

A prospective cohort study was performed in the setting of Spanish primary care. White-European individuals without diabetes aged 45-75 years (n = 2,054) were screened using the Finnish Diabetes Risk Score (FINDRISC) and a subsequent 2 h OGTT. Where feasible, high-risk individuals who were identified were allocated sequentially to standard care, a group-based or an individual level intervention (intensive reinforced DE-PLAN [Diabetes in Europe-Prevention using Lifestyle, Physical Activity and Nutritional] intervention). The primary outcome was the development of diabetes according to WHO criteria. Analyses after 4-year follow-up were performed based on the intention-to-treat principle with comparison of standard care and the combined intervention groups.

RESULTS:

The standard care (n = 219) and intensive intervention (n = 333) groups were comparable in age (62.0/62.2 years), sex (64.4/68.2% women), BMI (31.3/31.2 kg/m(2)), FINDRISC score (16.2/15.8 points), fasting (5.3/5.2 mmol/l), 2 h plasma glucose (7.1/6.9 mmol/l) and self-reported interest to make lifestyle changes at baseline. Diabetes was diagnosed in 124 individuals: 63 (28.8%) in the standard care group and 61 (18.3%) in the intensive intervention group. During a 4.2-year median follow-up, the incidences of diabetes were 7.2 and 4.6 cases per 100 person-years, respectively (36.5% relative risk reduction, p < 0.005). The number of participants needed to be treated by intensive intervention for 4 years to reduce one case of diabetes was 9.5.

CONCLUSIONS/INTERPRETATION:

Intensive lifestyle intervention is feasible in a primary care setting and substantially reduces diabetes incidence among high-risk individuals.

CLINICAL TRIAL REGISTRATION:

ClinicalTrial.gov NCT01519505.

FUNDING:

Commission of the European Communities, Institute of Health Carlos III, Spanish Ministry of Health and Department of Health, Generalitat de Catalunya.

PMID:
22322921
DOI:
10.1007/s00125-012-2492-6
[Indexed for MEDLINE]
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