Three hundred and ninety height diabetic patients were educated during a week of hospitalisation (nutritional and physical-activity advices). After that, they were randomized in two groups : frequent follow-up (each three month) by educational nurses and dieteticians, versus no follow-up (control group). All patients were evaluated one year after their inclusion,by HbA1c (primary outcome), anthropometry, other cardiovascular risk factors, nutritionnal and physical-activity behaviours.