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document
A short-term cognitive group treatment program gives substantial weight reduction up to 18 months from the end of treatment . A randomized controlled trial . OBJECTIVE To describe and evaluate long-term efficacy ( 18 months from the end of treatment ) of a new cognitive short-term weight reducing treatment program for obese patients . SUBJECTS One hundred and five obese [ Body Mass Index ( BMI ) > or = 30 ] patients participated in the study . Of these , 62 took part in the treatment program and 43 served as controls . METHOD From an obesity unit 's waiting list , the patients were randomly assigned to either a treatment group or remained in the waiting list to serve as a control group . The treatment group participated in a 10-week ( 30 hours ) cognitive group treatment program . All participants were weighed at the outset of the study , directly after treatment and at a 6- , 12- and 18-month post-treatment follow-up without any booster treatment after the 10-week program . RESULTS Fifty-seven ( 92 % ) patients completed treatment . For the 34 ( 60 % ) patients who participated in the study 18 months after treatment was terminated , the mean weight loss at treatment 's end was 8.5 kg ( SD=16.1 ) . Eighteen months later their mean weight loss was 10.4 kg ( SD=10.8 ) . The control patients ( n=31.72 % ) that participated in the study during the same period increased in weight by 2.3 kg ( SD=7.0 ) . The weight difference between the treatment and control group at the 18-month follow-up was highly significant ( p < 0.001 ) . CONCLUSION The cognitive group treatment program was highly acceptable among the participants and was completed by nearly all the patients . The 10-week treatment program resulted in satisfactory weight loss . The weight difference between the treatment group and controls was nearly the same at 18 months after end of treatment as at six months . The study , therefore , does not provide support for the contention that a lengthy therapy for obesity is necessary if treatment results are lasting .
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Intervention_Psychological
short-term cognitive group treatment program
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Intervention_Psychological
cognitive short-term weight reducing treatment program
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Intervention_Control
control
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Intervention_Psychological
10-week ( 30 hours ) cognitive group treatment program .
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Intervention_Control
post-treatment
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Intervention_Control
treatment
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Intervention_Control
treatment
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Intervention_Control
cognitive group treatment program
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Intervention_Control
treatment
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Outcome_Physical
weight reduction
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Outcome_Physical
mean weight loss
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Outcome_Physical
mean weight loss
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Outcome_Physical
weight
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Outcome_Physical
weight difference
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Outcome_Physical
weight loss
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Participant_Condition
obesity unit 's waiting list