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The Finnish Diabetes Prevention Study (DPS)
Lifestyle intervention and 3-year results on diet and physical activity
Jaana Lindström , MSC 1 ,
Anne Louheranta , PHD 2 ,
Marjo Mannelin , MSC 3 ,
Merja Rastas , MSC 4 ,
Virpi Salminen , MSC 5 ,
Johan Eriksson , MD, PHD 1 ,
Matti Uusitupa , MD, PHD 2 ,
Jaakko Tuomilehto , MD, PHD 1 6 and
for the Finnish Diabetes Prevention Study Group
1 Diabetes and Genetic Epidemiology Unit, Department of Epidemiology and Health Promotion, National Public Health Institute,
Helsinki, Finland
2 Department of Clinical Nutrition, University of Kuopio, Kuopio, Finland
3 Department of Sport Medicine, Oulu Deaconess Institute, Oulu, Finland
4 Research and Development Centre, Social Insurance Institution, Turku, Finland
5 Institute of Nursing and Health Care, Tampere, Finland
6 Department of Public Health, University of Helsinki, Helsinki, Finland
Address correspondence and reprint requests to Jaana Lindström, National Public Health Institute, Mannerheimintie 166, 00300
Helsinki, Finland. E-mail: jaana.lindstrom{at}ktl.fi
Abstract
OBJECTIVE —To describe the 1 ) lifestyle intervention used in the Finnish Diabetes Prevention Study, 2 ) short- and long-term changes in diet and exercise behavior, and 3 ) effect of the intervention on glucose and lipid metabolism.
RESEARCH DESIGN AND METHODS —There were 522 middle-aged, overweight subjects with impaired glucose tolerance who were randomized to either a usual care
control group or an intensive lifestyle intervention group. The control group received general dietary and exercise advice
at baseline and had an annual physician’s examination. The subjects in the intervention group received additional individualized
dietary counseling from a nutritionist. They were also offered circuit-type resistance training sessions and advised to increase
overall physical activity. The intervention was the most intensive during the first year, followed by a maintenance period.
The intervention goals were to reduce body weight, reduce dietary and saturated fat, and increase physical activity and dietary
fiber.
RESULTS —The intervention group showed significantly greater improvement in each intervention goal. After 1 and 3 years, weight reductions
were 4.5 and 3.5 kg in the intervention group and 1.0 and 0.9 kg in the control group, respectively. Measures of glycemia
and lipemia improved more in the intervention group.
CONCLUSIONS —The intensive lifestyle intervention produced long-term beneficial changes in diet, physical activity, and clinical and biochemical
parameters and reduced diabetes risk. This type of intervention is a feasible option to prevent type 2 diabetes and should
be implemented in the primary health care system.
DPP, Diabetes Prevention Program
DPS, Diabetes Prevention Study
E%, proportion of total energy
OGTT, oral glucose tolerance test
LTPA, leisure-time physical activity
VLCD, very-low-calorie diet
Footnotes
Additional information for this article can be found in an online appendix at http://care.diabetesjournals.org .
A table elsewhere in this issue shows conventional and Systéme International (SI) units and conversion factors for many substances.
Accepted September 4, 2003.
Received July 17, 2003.
DIABETES CARE