Anna-Maria Teeriniemi|Tuire Salonurmi|Terhi Jokelainen|Hannu Vähänikkilä|Tuomas Alahäivälä|Pasi Karppinen|Heidi Enwald|Maija?Leena Huotari|Jaana Laitinen|Harri Oinas?Kukkonen|Markku J. Savolainen
A randomized clinical trial of the effectiveness of a Web-based health behaviour change support system and group lifestyle counselling on body weight loss in overweight and obese subjects: 2-year outcomes
University of Oulu|Oulu University Hospital|Kuopio University Hospital|University of Oulu|Oulu University Hospital|Oulu University Hospital|University of Oulu|University of Oulu|University of Oulu|Oulu University Hospital|University of Oulu|Oulu University Hospital|University of Oulu|Finnish Institute of Occupational Health|University of Oulu|University of Oulu|Oulu University Hospital
weight loss prevent treat obesityrelated diseases however lost weight usually regained returning initial even higher levels long term new counselling methods maintaining lifestyle changes urgently neededan information communication technologybased health behaviour change support system hbcss utilizes persuasive design methods cognitive behavioural therapy cbt developed aim helping individuals maintain body weight purpose study assess whether cbtbased group counselling combined hbcss hbcss alone helps maintain improved lifestyle changes needed weight loss compared selfhelp guidance usual carea randomized lifestyle intervention overweight obese persons bmi 2735 kg m2 age 2060 years recruited population registry city oulu finland conducted study comprised six randomly assigned study arms cbtbased group counselling eight sessions led nutritionist selfhelp guidancebased group counselling shg two sessions led nurse control without hcbss 52 weeks subjects visited study centre anthropometric measurements blood sample collection complete questionnaires baseline 12 24 months main outcome weight change baseline 12 months baseline 24 monthsof 1065 volunteers screened study 532 subjects 51 men met inclusion criteria enrolled retention rate 80 12 months 70 24 months cbtbased counselling hbcss produced largest weight reduction without significant weight gain followup mean weight change arm 41 95 confidence interval ci 54 28 p 0001 12 months 34 95 ci 48 20 p 0001 24 months hbcss even without group counselling reduced mean weight 16 95 ci 29 03 p 0015 24 monthsthe combination cbtbased group counselling hbcssbased weight management feasible overweight obese individuals moreover hbcss alone could disseminated population large effective means treating obesity