A meta-analysis of psycho-behavioral obesity interventions among US multiethnic and minority adults. Prev Med, 47, 573-582

Indiana University, Bloomington, IN 47405, USA.
Preventive Medicine (Impact Factor: 3.09). 02/2008; 47(6):573-82. DOI: 10.1016/j.ypmed.2007.12.010
Source: PubMed


The present review examines efficacious psycho-behavioral interventions in preventing weight gains or reducing weight among US multiethnic and minority adults as few studies were conducted to review such interventions to date.
Data were examined from 24 controlled intervention studies, representing 23 programs and involving 13,326 adults. Studies were identified through manual and online search of databases that include MEDLINE, Academic Search Premier, ERIC, PsycARTICLES, SPORTDiscus, and CINAHL Plus.
Whereas one-component (n=5, d=0.08, 90% CI=-0.04, 0.35) and two-component interventions (n=13, d=0.22, 90% CI=0.05, 0.40) showed a low mean effect size, three-component interventions (n=6, d=0.52, 90% CI=0.39, 0.65) showed a moderate effect size. Interventions conducted in individual sessions (n=15, d=0.40, 90% CI=0.24, 0.56) showed a higher mean effect size than group interventions (n=9, d=0.08, 90% CI=-0.04, 0.30) although the confidence intervals overlapped.
The study results indicate that future obesity prevention interventions targeting multiethnic and minority adults might benefit from incorporating individual sessions, family involvement, and problem solving strategies into multi-component programs that focus on lifestyle changes.

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Available from: Dong-Chul Seo
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    • "Although these data are encouraging, the Registry is comprised predominately of Caucasian women, making it a less representative sample. Minorities, including AA women, are largely underrepresented in the behavioral lifestyle intervention literature , however, two systematic reviews addressing obesity treatment in minority populations were recently published [36] [37]. Reviews concluded that cultural adaptations [38], church-based studies [39], a low carbohydrate diet plan [40], individual sessions [38], family-centered programs [41] [42], and problem-solving skills [43] [44] promoted both weight loss and maintenance in minority adults. "
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    ABSTRACT: We performed a systematic review of the behavioral lifestyle intervention trials conducted in the United States published between 1990 and 2011 that included a maintenance phase of at least six months, to identify intervention features that promote weight loss maintenance in African American women. Seventeen studies met the inclusion criteria. Generally, African American women lost less weight during the intensive weight loss phase and maintained a lower % of their weight loss compared to Caucasian women. The majority of studies failed to describe the specific strategies used in the delivery of the maintenance intervention, adherence to those strategies, and did not incorporate a maintenance phase process evaluation making it difficult to identify intervention characteristics associated with better weight loss maintenance. However, the inclusion of cultural adaptations, particularly in studies with a mixed ethnicity/race sample, resulted in less % weight regain for African American women. Studies with a formal maintenance intervention and weight management as the primary intervention focus reported more positive weight maintenance outcomes for African American women. Nonetheless, our results present both the difficulty in weight loss and maintenance experienced by African American women in behavioral lifestyle interventions.
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    • "Incorporating a problem-solving component gave additional efficacy for long-term weight loss maintenance (Seo & Sa, 2008). Of the 24 studies examined in this review, four yielded significant long-term results; three of those studies incorporated a problem-solving component into the paradigm (Seo & Sa, 2008). An additional meta-analysis found that lifestyle interventions led to significantly reduced body weight, BMI, waist circumference and other health markers as compared to standard care (Galani & Schneider, 2007). "
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